Muratec MFX-2725/MFX-2225 MFX-2700/MFX-2200FACSIMILE SYSTEMFIELD ENGINEERING MANUAL MEUK version 15 February, 2008

MURATA MACHINERY, LTDCOMMUNICATION EQUIPMENT DIV.

Safety InformationLED Safety LabelA LED safety label is attached to the outside of the machine as shown below.

Battery PrecautionsImportant: Muratec does not recommend the independent replacement of the batteries. The batteries are sold only as component parts of the Main Control PCB and Voice PCB, and cannot be purchased separately from Muratec. Ni-MH (Nickel Metal Hydride) batteries are installed inside the machine as back up memory batteries. Be sure to dispose of them according to local, state and federal regulations.

Table of contentsSafety Information ..................................................................................................................................a

1 General Description ................................................................................1-11.1 Product Description .......................................................................................................................1-1 1.2 Specifications ................................................................................................................................1-3

2 Machine Composition .............................................................................2-12.1 Document Scanning Sequence .....................................................................................................2-2 2.2 Recording Section .......................................................................................................................2-23 2.3 Image Processing........................................................................................................................2-24 2.4 Interconnect Block Diagram ........................................................................................................2-38 2.5 Block diagrams ............................................................................................................................2-39 2.6 Network Control Unit (NCU) PCB ................................................................................................2-42 2.7 Low Voltage Power Supply Unit (LVPS) .....................................................................................2-43 2.8 High Voltage Power Supply ........................................................................................................2-44

3 Adjustment Procedures ..........................................................................3-13.1 Field Service Program Modes .......................................................................................................3-1 3.2 Machine Parameter Adjustment ....................................................................................................3-3 3.3 Memory Switch Adjustment .........................................................................................................3-85 3.4 Setting Individual Autodialer Attributes......................................................................................3-107 3.5 Unique Switch Adjustment ........................................................................................................3-112 3.6 Clear Programmed Data / User Settings ...................................................................................3-137 3.7 All RAM Clear ............................................................................................................................3-137 3.8 T.30 Monitor ..............................................................................................................................3-138 3.9 Printer maintenance mode ........................................................................................................3-143 3.10 Monitor speaker.......................................................................................................................3-144 3.11 Test Modes..............................................................................................................................3-145 3.12 Print Machine Parameters, Memory Switch and Unique Switch Settings ...............................3-150 3.13 Factory Functions ....................................................................................................................3-151 3.14 Line Tests ................................................................................................................................3-157 3.15 Mirror Carriage Transfer Mode ................................................................................................3-160 3.16 Consumable order sheet .........................................................................................................3-161 3.17 DRAM Clear ............................................................................................................................3-165 3.18 Clear Life Monitor ....................................................................................................................3-165 3.19 Clear Optional Data .................................................................................................................3-165 3.20 Set Service Code ....................................................................................................................3-166 3.21 Life monitor maintenance ........................................................................................................3-167 3.22 Sensor input test .....................................................................................................................3-169 3.23 Printer diagnostic mode...........................................................................................................3-172 3.24 Network service mode .............................................................................................................3-173 3.25 Flash Rom Sum Check ...........................................................................................................3-174 3.26 Printer registration adjustment ................................................................................................3-174 3.27 Set Service Report ..................................................................................................................3-175 3.28 Reset Printer Trouble ..............................................................................................................3-177 3.29 Cleaning mode ........................................................................................................................3-177 3.30 Voice test.................................................................................................................................3-177 3.31 Network Switch........................................................................................................................3-178 3.32 Security function maintenance ................................................................................................3-178 3.33 Measuring the black ratio ........................................................................................................3-179 3.34 Service function menu .............................................................................................................3-179 3.35 Quick Initial settings ................................................................................................................3-180 3.36 Update the software ................................................................................................................3-181

4 Troubleshooting Procedures ..................................................................4-14.1 Troubleshooting Outline ................................................................................................................4-1 4.2 Mirror Carriage Error .....................................................................................................................4-1 4.3 Recording Paper Jam....................................................................................................................4-2 4.4 Document Feeder Jam ..................................................................................................................4-3i

4.5 Service Call Error ..........................................................................................................................4-8 4.6 Error Codes .................................................................................................................................4-13 4.7 LCD Failure .................................................................................................................................4-16 4.8 Machine malfunction ...................................................................................................................4-17 4.9 The Image Quality Problems .......................................................................................................4-27

5 Maintenance & Adjustment.....................................................................5-15.1 Maintenance schedule ..................................................................................................................5-2 5.2 Re/Disassemble ............................................................................................................................5-4 5.3 Adjustment ................................................................................................................................5-190

6 Options ...................................................................................................6-16.1 Paper cassette ..............................................................................................................................6-1 6.2 Conformation Stamp .....................................................................................................................6-4 6.3 Page Counter ................................................................................................................................6-5 6.4 PCL printer controller ....................................................................................................................6-6 6.5 OfficeBridge Expansion kit ............................................................................................................6-8 6.6 Network Interface Board..............................................................................................................6-10 6.7 Scanner heater ............................................................................................................................6-12 6.8 Cassette heater ...........................................................................................................................6-14

ii

1 General Description1.1 Product Description

1 2 3 4 5 6 7

ADF glass Platen cover Document pad Document glass Fuser cover (C2) Right cover Right cover release lever (C1)

8 9 10 11 12 13 14

Paper loading guide Bypass tray Lower right covers (paper cassette) Paper level indicator Paper cassette Front cover Control panel

1-1

15 16 23 17

18

22

24

19 20 21

15 16 17 18 19

Paper output area Ventilation slot Power switch Power jack Handset jack

20 21 22 23 24

External telephone line jack Telephone line jack USB port 10Base-T/100Base-Tx port* Additional phone line jack

Equipment and components shown with * are optional.

6 7

5 4 3 2 1

1 2 3 4

Drum cartridge lock lever (B4) Drum cartridge The charging needle cleaning rod (B7) LED print head cleaning rod (B6)

5 6 7

Toner cartridge Drum cartridge lock lever (B3) Feeder roller release lever

1-2

1.2 SpecificationsItem Type Telephone network Compatibility Coding method Modem speed Dual Access LCD Scanning method Recording method Acceptable document size Specifications / Comments Desktop type PSTN (Public Switched Telephone Network) or equivalent. ITU-T T.4 and T.30 ITU-T-standard MH, MR, MMR and JBIG 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800 and 2400 bps Allows up to three simultaneous operations. LCD: 15 characters x 5 lines (Touch panel : bottom line only) Language: English, German Black and White Dry electrophotographic (LED) printer Single sheet Two or more sheets Max: 297 (W) x 432 (L) mm 297 (W) x 420 (L) mm Min: 120 (W) x 100 (L) mm 148 (W) x 105 (L) mm Paper weight: 35 128 g/m2 52 105 g/m2 Thickness: 0.05 0.15 mm 0.07 0.12 mm Max: 297 (W) x 420 (L) mm Min: No limit A4 : 50 sheets, B4 : 40 sheets, A3 : 30 sheets A4 : 50 sheets, B4 : 25 sheets, A3 : 25 sheets horizontal x vertical (in dots/inch x in lines/inch) Normal: 203 x 98 Fine: 203 x 196 Super fine: 406 x 392* or 600dpi 600lpi Grayscale: 203 x 196

ADF capacity RADF capacity Scanning resolution

*: In the case that the remote fax has the ability of 406 x 392. If not, the superfine resolution is 203 x 392, and the grayscale resolution in feeder transmission is 203 196.

Effective Scanning width Transmission speed Document Memory Document memory backup Printing resolution

600 x 600 dpi 200 dpi 200 dpi x 200 lpi 300 dpi 300 dpi x 300 lpi 600 dpi 600 dpi x 600 lpi 294 mm (Fax), 297 mm (Copy) Under 3 seconds (Super G3) Based on transmission of ITU-T Test Document 1 to a Muratec fax machine. 64 MB (4665 pages) 72 hours The backup battery requires about 24 hours to reach full charge after power to the fax unit is restored. 600 dpi

1-3

Item Printing speed Simplex Duplex Toner yield Drum yield Print margin Acceptable recording paper

Specifications / Comments MFX-2720 MFX-2200 MFX-2725 MFX-2225 27 ppm 22 ppm 9 spm 8 spm

Recording paper capacity

(When loading A4-sized paper from 1st paper cassette.) Approx. 10,000 or 20,000 sheets (A4, 6 document coverage under 3-pages interval printing.) Approx. 100,000 pages 0,000 ,000 (A4, paper under 3-pages interval printing.) Reading edge, Trailing edge, Left edge and Right edge: 3 mm Simplex printing A3, A4, A4(LEF), A5, A5(LEF), B4, B5, B5(LEF), F4, 8K, 16K, 16K(LEF), Letter, Letter(LEF), Legal, 11x17, Half-letter, Half-letter(LEF), Executive, Executive(LFE) Paper weight: 60 90g/m2 Plain paper: A3, A4, A4(LEF), A5, A5(LEF), B4, B5, B5(LEF), F4, 8K, 16K, 16K(LEF), Letter, Letter(LEF), Legal, 11x17, Half-letter, Half-letter(LEF), Executive, Executive(LFE) Postcard Envelopes: DL, COM10, Monarch Transparency Custom size: (90 297 mm) x (140 432 mm) (Width x Length) Paper weight: 60 90g/m2 Duplex printing Plain paper: A3, B4, A4, A4 (LEF), B5, B5(LEF), A5(LEF) , 500 sheets Plain paper: 100 sheet Postcard/Transparency: 30 sheets Envelopes 10 sheets Approx. 250 sheets Face down Ambient temperature: 10 C to 32 C Relative humidity: 20 to 80 with no condensation 230 VAC 10 50 Hz 0

Receive paper tray capacity Printouts exit Environmental conditions Power requirements

1-4

Item Power consumption

Specifications / Comments MFX-2720 MFX-2200 Sleep mode (W) 8.5 Energy save mode (W) 20 Standby (Wh) 57 Memory Transmission (W) 21 Reception (W) 920 Copying (W) 920 Maximum (W) 920 MFX-2700 MFX-2200 MFX-2725 MFX-2225 MFX-2720 MFX-2320 MFX-2725 MFX-2225 1 cassette 4 cassettes 1 cassette 4 cassettes 1 cassette 4 cassettes 1 cassette 4 cassettes

MFX-2725 MFX-2225 8.2 20 48 62 930 960 980

Dimensions

597.2 x 679.7 x 626.5 mm 597.2 x 679.7 x 998.5 mm 600.3 x 686.9 x 634.8 mm 600.3 x 686.9 x 1006.8 mm Approx. 55.8 kg Approx. 88.8 kg Approx. 57.8 kg Approx. 90.8 kg

Weight

Optional products

without consumables Second, third and fourth paper cassette Conformation stamp Mechanical page counter PCL printer controller Network interface board OfficeBridge board Scanner heater Cassette heater

1-5

2 Machine CompositionADF model (MFX-2700 and MFX-2200)45 6 7 8 9

3 2 1 42 41 40 39 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

38 37 36 35

34

33 32 31

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Feed roller DS2 Press roller DRS Exit roller Separator roller DW2 DW1 DL1 Lens CCD Exit roller A Exit roller B Cleaning roller Heat roller Lamp Heater Press fuser roller Cleaner blade Charge unit OPC drum LED head

22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Transfer roller Magnet roller Regist roller Regist shaft Pickup MP roller Separator roller Ritard roller Pickup roller Feed roller Agitator paddle Agitator screw A Agitator screw B Toner screw B Toner agitator paddle Toner screw A Ozone filter Fan Mirror C Mirror A Mirror B Lamp

2-1

2.1 Document Scanning Sequence2.1.1 ADF Detection (MFX-2700 and MFX-2200)When a document is placed into the document feeder, Document Sensor 1 (DS1) is activated and you will hear the short beep. The width of document is detected by DW1and DW2 and length of document is detected by DL1sensor. The document will be transferred when the start key is pressed. The motor drives clutch 1 (CL1) with the gear for the pick up roller to turn. Document separation is the process that allows a multi-page document to go through the scanner one page at a time. The top document is separated from the remaining documents by the friction of the separate roller. Following the document separation, the separate roller causes the document to advance. During this feed, clutch 2 (CL2) is set to off not to supply power of the motor to the feed roller. A loop is made by the transfer roller, which prevents the document to skew. As it advances, the leading edge of the document activates the DS2 sensor. Once DS2 is activated, the feed roller continues to rotate until the document reaches the scan position. The machine uses the distance from DS2 to the scan position and the diameter of the feed roller to determine the number of rotations necessary to feed the document to the scan position. When the document reaches the scan position, the light from the scanner lamp strikes the face of the document and is reflected into the lens through mirrors A, B, and C. In case the light intensity along the length of the scanner lamp is not uniform, shading compensation is provided to ensure even illumination. As the reflected image passes through the lens, it is focused onto the charged coupled device (CCD). The CCD then converts the dark and light areas of the image into electrical impulses, or image data. When DS2 detects the trailing edge of the document, the image signal output is turned off. The scanner continues to remain active for a few more seconds in case there is another document to follow. The scanned document is discharged through the document exit by the exit roller.

Document detection (ADF)The sizes of the documents are detected by the following two sensors Detection Document presence Leading and trailing edge detection Document size detection length width Action Sensor DS1 DS2, DRS

Detects whether there is a document on the tray or not Detects the leading and trailing edge of the feeding document

Detects the length of the document on DL1 the tray Detects the width of the document on the DW1, DW2 tray

2-2

2.1.2 FBS sectionThe FBS (Flat Bet Scanner) section consists of document glass (pain), the optical reading section (Carriage A Assy, Carriage B Assy and scanner frame Assy) and scanner driving section. The document size detection stars when the BIS sensor is on. The detection of whether the FBS cover is closed is made by the APS sensor. Light reflected from the original passes through three mirrors and a lens to form a reduced image on the CCD Sensor as the Scanner Motor moves the Scanner. The CCD sensor converts the light pattern (image data) into an electrical image signal. The electrical image signal is then output to the Main Board.

Exposure Section: Construction and Function

1

2 1

3

1 Reflector Tape The Reflector Tape reflects the light from the Exposure Lamp and supplements its illumination. 2 Exposure Lamp A Cold Cathode Fluorescent Lamp (CCFL) is used to illuminate the original. 3 Mirror Directs the reflected light from the original to the lens.

2-3

Scanner frame Moving Mechanism During a scan, the Carriage A projects an even amount of light from the Exposure Lamp onto the entire surface of the original. The light is reflected from the original to the Mirror A of the Carriage A and then to the Mirror B and Mirror C of the Carriage B. The Carriage A is driven by the FBS Motor and front and rear Scanner Drive belts. Scanner speed is determined by the set zoom ratio in reference to the full size mode. The Carriage A is at home position when Scanner Home Position Sensor is blocked. This position serves as the reference for the scan motion. The Mirror B and Mirror C are mounted to their holder at right angles to each other. They direct the light reflected off the Mirror A through the lens to the CCD. The Carriage B is also moved by the Scanner Drive belts and pulleys driven by the FBS Motor. It travels at a speed half that of the Carriage A, thereby keeping constant the optical path length between the Original Glass and lens.5 4 3 2 1 6 7 8

9 10 13 12 11

1 2 3 4 5 6 7

APS sensor BIS sensor Caridge B Document size detection sensor FBS motor Inverter Lens

8 9 10 11 12 13

PCB CCD Caridge A Lamp Mirror A Home sensor Mirror B and C

2-4

Document size detection (FBS)When the machine is in Auto Paper or Auto Size, the document length detecting sensor mounted in the FBS section receive light reflected off the original to allow the machine to determine the document length size. And the CCD detects document width by reflecting light from the Exposure Lamp. Document size A4 A4 A5 A5 B4 B5 B5 A3 Multi Beam Sensor (Length detection) CCD (Width detection)

: Means that the unit is used.

2-5

2.1.3 RADF section (MFX-2725 and MFX-2225)Cross-section[1] [2] [3] [4] [5] [6]

[12] [15]

[14] [13] [11] [10]

[9]

[8]

[7]

[1] Lower registration roller [2] Upper registration roller [3] Separation roller [4] Separation pad [5] Pickup roller [6] Document supply tray [7] Upper delivery reversal roller [8] Lower delivery reversal roller [9] Read roller 2 (lower) [10] Read roller 2 (upper) [11] Platen roller [12] Read roller [13] Read roller 1 (upper) [14] Read roller 1 (lower) [15] White sheet

2-6

Outline of Electrical ComponentsElectric Parts Layout/Functions Symbol PI1 PI2 PI3 PI4 PI5 PI6 PI7 PI8 PI10 PI11 Name Document width sensor 2(directly mounted on the Relay PCB) Document width sensor 1 (directly mounted on the Relay PCB) Last document detection sensor Document length sensor 1 Document length sensor 2 Delivery reversal sensor Read sensor Registration paper sensor Cover open/close sensor Document set sensorPI2 PI3 PI10 PI11

Relay PCB

ADF driver PCB CN7 CN7

The names in Sensor Text DW2 DW1 LAST DL1 DL2 EXIT DS2 DRS TXIL DS1

CN32 CN32 CN32

CN7 CN7 CN7 CN8 CN8 CN8 CN9 CN9

PI5 PI4

PI7

PI6 PI8

PI1

Symbol M1 M2 SL1 SL2 PCB1 PCB2 Name Motor Solenoid ADF driver PCB Relay PCB Function Feed motor Pickup motor Roller release solenoid Stamp solenoid RADF control Repeating for sensors in document pickup tray/Document width detection ADF driver PCB CN4 CN11 CN5 CN6 CN7

PCB1 M1 M2 SL1 PCB2

SL2

2-7

Basic ConstructionElectric circuits of the RADF are controlled by the Scanner RADF PCB and Main PCB.The Main PCB detects the signals received from the host machine to output the signals that drive DC loads such as motors and solenoids at the predetermined timings. The Main PCB does not have a memory area data (service mode, etc.) is stored in the Main PCB.Motor Sensor

ADF driver PCB

SolenoidCN1 CN2 CN10

+3.3V +24VP151 P150 P140A P14A

Scanner RADF PCBP1408 P14B

Main PCB

2-8

Basic OperationDrive Mechanism and Signals

The RADF is a document feeder exclusively for stream reading. The RADF uses two motors to pick up and feed document paper. Name (symbol) Feed motor (M1) Pickup motor (M2) The drive mechanism and signals are shown below.[1] (EXIT)CN89 (STMPSOL)CN62 (SIZEW1)CN75 (SIZEW2)CN76 (RKSOL)CN52 (SIZEL1)CN72 [13] PI4 PI2 [15] PI1 (SIZEL2)CN71 PI5 [14] (READ)CN86 (REG)CN83 (EMPTY)CN93 CN4 (LAST)CN73 [10] CN11

Function Feeds documents. Separates and feeds documents.

PI11

PI7 PI8

PI6

[1] ADF driver PCB [2] Document detection signal [3] Document detection signal [4] Pickup motor drive signal [5] Document placement signal [6] Stamp solenoid drive signal [7] Document placement signal [8] Feed motor drive signal [9] Roller release solenoid drive signal [10] Last document detection signal [11] Paper size (width) identification signal 1 [12] Paper size (width) identification signal 2 [13] Paper size (length) identification signal 1 [14] Paper size (length) identification signal 2 [15] Relay PCB

2

2-9

PI3

[11]

[12]

[2] [3]

[4]

[5] [6]

[7] [8]

[9]

Outline of Operation Mode

The RADF has four operation modes. The RADF operates in the operation mode specified by the host machine to perform printing. Operation mode names, brief outline of operations, and associated print modes are given in the following table: Operation mode name [1] Forward pickup/delivery Outline of operation Picks up, reads, and then delivers an document. Associated print mode Single-sided document > Simplex printing Single-sided document > Duplex printing (This operation is performed for documents with the same width/different width.) Picks up, reads, reverses, and Double-sided document > delivers an document. Duplex printing Double-sided document > Simplex printing (This operation is performed for documents with the same width/different width.)

[2] Forward feed/reversal delivery

Forward Pickup/Delivery (Single-sided document > Simplex Printing) Operation

The document flows as shown below. Note: This operation is performed for all single-sided documents irrespective of whether document widths are the same or different.Document

Pickup

Delivery

Formation of loop

End of job

Waiting for reading

Reading

2-10

Forward Pickup/Reversal Delivery (Double-sided document > Duplex printing) Operation

The document flow is shown below. Note: This operation is performed for all double-sided documents irrespective of whether document widths are the same or different.Document

Pickup

Feed

Formation of loop

Reversal

Waiting for reading

Formation of loop

Reading

Waiting for reading

to next page

Reverse side reading

Feed

Feed

Idle feed

Reversal

Delivery

Feed

End of job

2-11

Document DetectionOutline

The RADF detects a document using either one of the two methods depending on the print mode. - Normal print mode (other than mixed size print mode and banner paper mode) - Mixed size print mode and banner paper mode a. Normal print mode (other than mixed size print mode and banner paper mode) In the normal print mode, the following four document detection functions are used: Function Document presence/ absence detection Last document detection Initial document size detection - Longitudinal direction - Lateral direction Sensor used (symbol) Description Detects whether there is an document Document set sensor (PI11) on the document pickup tray. Detects whether the document being Last document detection sensor picked up is the last one. (PI3)

Detects the length of the document placed on the document pickup tray. Detects the width of the document placed on the document pickup tray.

Document length sensor 1/2 (PI4/ PI5) Document width sensor 1/2 (PI2/ PI1)

b. Mixed size print mode and banner paper mode In the mixed size print mode and banner paper mode, the following three document detection functions are used: Function Document presence/ absence detection Last document detection Sensor used (symbol) Description Detects whether there is a document Document set sensor (PI11) on the document pickup tray.

Detects whether the document being Last document detection sensor picked up is the last one. (PI3) Document length detection Detects the document length Read sensor (PI7) according to the distance from the position where the read sensor (PI7) turns on to the position where the read sensor (I7) turns off.

Document Presence/Absence Detection

The Document set sensor (PI11) detects presence/absence of a document on the document tray. When a document is placed on the document tray, the detection lever moves the light shielding plate to allow light to pass thorough the photo interrupter. Thus, the Document set sensor (PI11) generates an document detection signal (EMPTY) to notify the host machine that an document is placed on the document tray via the ADF driver PCB.ADF driver PCB EMPTY

Detection lever PI11

Document

2-12

Detection of Last Document

The last document detection sensor (PI3) and Document set sensor (PI11) detect whether the document being picked up is the last one. When the trailing edge of the last document has moved past the last document detection lever, the detection lever moves the light shielding plate to allow light pass through the photo interrupter. Thus, the last document detection sensor (PI3) generates a last document detection signal (LAST). When the last document has moved past the document sensor (PI11), an document absence signal (EMPTY) is generated to notify the host machine that an document being picked up is the last one via the ADF driver PCB.ADF driver PCB EMPTY Detection lever

Document

PI11 PI3

Initial Document Size Detection

The document length sensor 1 (PI4) and document length detection sensor 2 (PI5) detect the longitudinal size of the document placed on the document tray, and the document width sensor 1 (PI2) and document width sensor 2 (PI1) detect the lateral size of the document. When an document is placed on the document tray, detection levers of the two document length sensors move the light shielding plate to allow light pass through the photo interrupter. If the slide guide is adjusted to the document size, the two document width sensors mounted inside the document tray are shielded by the light shielding plate mounted at the bottom of the slide guide. Document sizes are determined by the combination of the ON/OFF states of document length sensors and the combination of ON/OFF states of document width sensors.PI5 PI4

PI2

LAST

PI1

2-13

The following tables show the relationships among document width sensors, document length sensors, and document sizes. 1. AB type Sensor name Document width Document width Document length sensor 1 sensor 2 sensor 1 A3 ON ON ON B4 OFF ON ON A4R OFF OFF ON B5R ON OFF ON A4 ON ON OFF A5R ON OFF OFF B5 OFF ON OFF A5 OFF OFF OFF B6 ON OFF OFF Document length sensor 2 ON ON OFF OFF OFF OFF OFF OFF OFF

Size

2. Inch type Sensor name Document width Document width Document length sensor 1 sensor 2 sensor 1 11 x 17 ON ON LGL OFF ON LTRR OFF ON LTR ON OFF STMT OFF OFF Document length sensor 2 ON ON OFF OFF OFF

Size

2-14

Document Pickup/SeparationBasic Pickup Operation

With a document placed on the document tray, pressing the print start key will picks up the document in the following manner. a. Pickup operation When the pickup motor (M2) turns in reverse direction, the pickup roller unit lowers to rotate the pickup rollers, thus feeding the document. The stopper rises in conjunction with the pickup roller unit. The separation sheet and pad are used to prevent multiple sheets from being fed together.M2 Pickup roller unit One-way clutch Document One-way clutch M2 Pickup roller unit Document

Stopper

Separation pad

Separation sheet

b. Formation of loop While the pickup motor (M2) is turning in the reverse direction, the document is fed against the registration roller that is stopped by the idling one-way clutch to form a loop, thus preventing the document from skewing.Registration Loop formation 1 roller

c. Feed The pickup motor (M2) and feed motor (M1) turn in the forward direction to raise the paper pickup roller unit, feeding the document to the read standby point with the registration roller and read roller. When the document reaches the read standby point, the pickup motor (M2) and feed motor (M1) stop.Registration roller M1 M2

Read roller

Read standby point

2-15

d. Stream reading When the leading edge of the document reaches the read standby point, an image leading edge signal is sent to the host machine to start stream reading. Stream reading is a scan mode in which the document is moved on the optical system's glass using the platen roller. The read image is stored in the memory of the host machine.M1 Platen roller

LED Read glass

Pickup Unit and StopperThe pickup unit consists of a pickup roller and separation roller. When the print start key is pressed or an document pickup signal is input, the pickup motor (M2) turns in the reverse direction to lower the pickup unit, turning the pickup roller and separation roller to feed the document. The stopper rises in conjunction with the pickup unit. When the document is picked up, the separation pad and separation plate prevent multiple sheets from being fed together. When the document is looped at the registration roller, the pickup motor turns in the forward direction to raise the pickup unit, feeding the document with the registration roller. At this time, the separation roller drive shaft driven via the spring one-way clutch stops at the upper limit of the pickup unit and the friction against the document forces the separation roller to rotate with the aid of the one-way clutch.Stopper arm Pickup roller

Document

Stopper armPickup motor (M2)

Feed roller

Separation pad

2-16

Pickup TimingStart key ON or document pickup signal input Document placementDocument separation/feed Document set sensor (PI11) Registration paper sensor (PI8) Read sensor (PI7) Delivery reversal sensor (PI6) Pickup motor (M2) Feed motor (M1) Image leading edge signal : Reverse rotation of motor Document reading

Loop formation

Read standby

Reverse rotation Forward rotation

Pickup Motor (M2) ControlThe pickup motor (M2) control circuit diagram is shown below. A 2-phase stepping motor is used to feed documents. This circuit mainly performs the following types of control: - Motor ON/OFF control - Motor rotation direction control - Motor speed control+24VIC2 MD0008P151

KMOT_A KMOT_A* KMOT_B KMOT_B* KMOT_IA KMOT_IB

CN11 KMOT_AIC1 Motor driver

KMOT_A* KMOT_B KMOT_B*

4 5 6 3 2 1

M2

CN1

Scanner RADF PCB

ADF driver PCB

The pickup motor of the RADF is controlled by MD0008(IC2) on the Scanner RADF PCB. The MD0008(IC2) on the Scanner RADF PCB outputs drive pulses to the pickup motor according to the selected print mode (magnification, operation mode, timing, etc.). The pickup motor is a stepping motor. Its rotation direction and speed are controlled by changing the order of output pulses (KMOT_A, KMOT_A*, KMOT_B, and KMOT_B*) and frequency.

2-17

Document ReversingBasic Operation

There are two types of document reversal operation: one that is performed from the top to the reverse side of the document and the other that is performed from the reverse side to the top of the document. Since the basic operation methods are identical, only the reversal operation performed from the reverse side to the top is discussed below. a. Top side pickup The feed motor (M1) drives the read roller and platen roller to scan the surface of the document. After completion of reading, the delivery reversal roller feeds the document to the delivery unit.M1 M1 Delivery reversal roller

SL1 Platen roller Read roller

SL1

b. Reversal/feed 1 When the trailing edge of the fed document moves past the delivery reversal sensor (PI6), the feed motor (M1) stops. Immediately after this, the feed motor start turning in the reverse direction to feed the document to the registration roller, then stops. At this time, the roller release solenoid (SL1) turns on to release the pressure of the delivery reversal roller.M1 M1

SL1 Delivery reversal sensor

c. Reversal/feed 2 The feed motor (M1) turns to feed the document to the read standby point and stops. Thus, the document has been reversed. Next, the document is picked up again and read, turning off the roller separation solenoid. After this, the document is reversed again, fed, and delivered.Registration roller M1 M2Delivery reversal roller M1

SL1

Read roller

Read standby point

2-18

Operation SequenceStart key ON or document pickup signal input Document placementDocument separation /feed Document set sensor (PI11) Registration paper sensor (PI8) Read sensor (PI7) Delivery reversal sensor (PI6) Pickup motor (M2) Feed motor (M1) Roller release solenoid (SL1) Image leading edge signal : Reverse rotation of motorLoop formation Read standby Reversal standby Loop formation Reverse rotation Forward rotation

Document reading

Document reversal

Document's reverse side reading

Document Feeding/DeliveryBasic Operation

After stream reading on the document glass, the document is delivered to the document delivery unit as discussed below. a. Document feed/delivery After moving past the reading position, the document is fed by the delivery reversal roller driven by the feed motor (M1) turning in the forward direction. The deliver reversal motor is normally pressurized the roller release solenoid turns on only when the document is reversed for duplex printing.M1 Delivery reversal roller M1 Delivery reversal roller

SL1

SL1

Reading position

2-19

Operation SequenceStart key ON or document pickup signal input Document placementDocument separation/feed Document set sensor (PI11) Registration paper sensor (PI8) Read sensor (PI7) Delivery reversal sensor (PI6) Pickup motor (M2) Feed motor (M1) Roller release solenoid (SL1) Image leading edge signal : Reverse rotation of motorLoop formation

Document reading

Document delivery

Read standby

Reverse rotation Forward rotation

Feed Motor (M1) Control

The feed motor (M1) control circuit diagram is shown below. The feed motor (M1) is a 2-phase stepping motor. This circuit mainly performs the following types of control: - Motor ON/OFF control - Motor rotation direction control - Motor speed control+24VIC50 MD0008P151

RMOT_A RMOT_A* RMOT_B RMOT_B* RMOT_IA RMOT_IB

CN4IC2 Motor driver

RMOT_A RMOT_A* RMOT_B RMOT_B*

4 5 6 3 2 1

M1

CN1

Scanner RADF PCB

ADF driver PCB

The feed motor of the RADF is controlled by the MD0008(IC50) on the Scanner RADF PCB. The MD0008(IC50) on the Scanner RADF PCB outputs drive pulses to the feed motor according to the selected print mode (magnification, operation mode, timing, etc.). The feed motor is a stepping motor. Its rotation direction and speed are controlled by changing the order of output pulses (RMOT_A, RMOT_A*, RMOT_B, and RMOT_B*) and frequency.

2-20

Detecting JamsJam

The RADF detects a jam using the sensors shown below. Document jam check timings are stored in the ROM on the Main PCB to check whether a jam has occurred according to presence/absence of the document at the relevant sensor position.

PI10 PI11 PI7 PI6 PI8

PI6: Delivery reversal sensor PI7: Read sensor PI8: Registration paper sensor PI10: Cover open/close sensor PI11: Document set sensor

Power SupplyPower Supply

The power supply lines are shown below. The RADF is powered via two power supply lines (24 V and 3.3 V) from the host machine.24VHost machine

24V

- Motor - Solenoid

CN10 CN2

3.3V

3.3V ADF driver PCB

- Sensor

2-21

Stamp OperationOutline

If the stamp function is selected in the FAX mode of the host machine, the stamp solenoid drive signal (STMP_SOL) from the ADF driver PCB drives the stamp solenoid (SL2) to affix a stamp indicating that the document has been read or sent.

Document

Stamp solenoid drive signal

Stamp solenoid (SL2)

ADF driver PCB

In the stamp mode, the feed speed is set to 118 mm/s after completion of document reading. The document stops when it has been fed 21.45 mm since detection of tuning off of the delivery reversal sensor, where the stamp is printed. The solenoid drive time is 50 ms, and the stamp is affixed at the position which is about 10 mm away from the trailing edge of paper.Start key ON or document pickup signal input Document placementDocument separation/feedDocument set sensor (PI11) Registration paper sensor (PI8) Read sensor (PI7) Delivery reversal sensor (PI6) Pickup motor (M2) Feed motor (M1) Roller release solenoid (SL1) Image leading edge signal Stamp solenoid (SL2)

Document reading

STMP_SOL

Document delivery

Loop formation

Read standby

Reverse rotation Forward rotation

: Reverse rotation of motor

Note: Fresh out of the package, the stamp cartridge is good for about 7,000 documents.

2-22

2.2 Recording SectionRecording Paper Feed PathA sheet of the recording paper is separated from the remaining paper by the friction of the pickup roller. The paper is moved along the paper guide until it reaches the register roller, then fed by the rotation of the register roller.

If there is a duplex printing unit, the machine can print both sides of the paper (duplex printing). When the first side of the paper is printed, it is transferred to the exit. However after a few steps after Switchback (SWBK) sensor detected the trailing edge, the exit roller rolls in reverse and the paper is transferred to the image processing area by the duplex rollers. It reaches to the image transfer area turned inside out, and the duplex side of the paper is printed.

2-23

2.3 Image ProcessingThe fax incoming data, copy data or pirnt data is sent to the printer for image processing.12. Paper Exit 11. Fusing

9. Cleaning 10. Erase 2. Drum Charging 8. Discharge Plage 3. LED Exposure 4. Development 1. OPC Drum 7. Image Transfer 6. Manual Bypass 5. Paper Feed

The image processing is roughly divided into the following steps: 1. OPC Drum Changes the image of the original projected onto the surface of the OPC drum to a corresponding electrostatic latent image. 2. Drum Charge Generates a negative DC charged layer on the surface of the OPC Drum. 3. Drum Exposure The LED light strikes the surface of the OPC Drum, creating an electrostatic latent image. 4. Development Negatively charged toner adheres to the latent image on the OPC Drum surface. DC negative bias voltages are applied to the Sleeve/Magnet rollers, thereby preventing toner from sticking to the background. 5. Paper Feed Feeds sheets of paper from the appropriate paper source. 6. Bypass Paper Feed Feeds sheets of paper from the bypass source. 7. Image Transfer A positive charge is applied to the Transfer roller to transfer the visible image on the surface of the OPC Drum onto the paper. 8. Discharge Plate The discharge plate removes the potential charge from paper. 9. Cleaning Residual toner is scraped off the surface of the OPC Drum. 10. Erase The OPC Drum is exposed to light, which effectively neutralize any residual charge on the surface of the OPC Drum. 11. Fusing Heat and pressure fuse toner on the paper . 12. Paper Exit Feeds paper out of the MFP onto the exit tray.

2-24

2.3.1 LED exposureLocation of the unit

The LED exposure area depends on the paper size. The image lacks each edge of the paper for 3mm because of non-exposure area.3mm 3mm

3mm

3mm

2-25

2.3.2 Drum CartridgeLocation of the unit

The drum cartridge consists of charge section / drum / developing section / cleaning section.

1

2

3

4 5

6 7 8 101 2 3 4 5 Eraser Charge unit Waste toner screw Cleaner blade Waste toner paddle

96 7 8 9 10 OPC Drum Magnet roller Agitator paddle Agitator screw A Agitator screw B

2-26

2.3.3 Drum charge The OPC Drum Charge Corona has a grid mesh to deposit a charge evenly across the surface of the OPC Drum. The corona unit has a comb electrode that discharges only toward the grid mesh, thus minimizing the amount of ozone produced.

2-27

2.3.4 DevelopmentThe toner supplied from the toner cartridge is stirred by the agitator and paddle, and is transferred to the developing roller. The developing roller consists of a magnet roller and a sleeve roller turning around it. The developing roller transfers the toner to the OPC drum. The toner on the drum surface is controlled by the developing bias on the developing roller.

ATDC sensorThe ATDC sensor is at the bottom of the toner cartridge. The toner density (T/D) in the developing unit is detected by a magnetic permeability sensor. When the toner density becomes low, the RX motor rotates the screw in the toner hopper and supplies the toner to the developing unit. The sensor is adjusted when the drum cartridge is replaced.

2-28

2.3.5 Cleaning the OPC drumThe cleaner blade is pressed against the OPC drum surface to scrape toner off the surface. The eraser lamp lights the drum surface to neutralize the potential of the OPC drum after the image transfer.

1

2

31 2 Eraser Cleaner blade 3 OPC Drum

2-29

2.3.6 Toner CartridgeLocation of the unit

Toner cartridge structureThe toner in the toner cartridge is transferred to the screw by the toner agitator paddle sheet which is on the toner agitator paddle. The paddle rotates by TP motor. The toner screw A is also rotating and transfers the toner to the discharger.

1

2

3

41 2 Toner agitator paddle Toner agitator paddle sheet 3 4 Toner screw A Discharger

2-30

Toner hopper structureA piezoelectric vibrating sensor detects the remaining toner. The toner is stirred by the agitator. The toner in the hopper is transferred to the drum cartridge by the rotating screw.

1

2 3

1 2

Toner sensor Agitator

3

Screw

Waste Toner collectionThe toner pressed against the OPC drum is scratched by the cleaning blade, and transferred to the waste toner collection area located at the bottom of the toner cartridge by the waste toner collection screw. The toner in the collection area is design to accumulate evenly by the toner screw B.

1 2

1

Opening

2

Toner screw B

2-31

Toner transferring mechanism

2 1 3

4 51 2 3 Toner cartridge Toner hopper Toner supply route 4 5 Drum cartridge Toner collection route

2-32

2.3.7 Image TransferLocation of the unit

StructureA charge is applied to the Transfer roller to transfer the toner image formed on the surface of the OPC drum onto the paper. The image transfer current is controlled according to the size and type of paper ,whether the copy cycle is 1-sided or 2-sided, temperature and humidity . The surface of theTransfer Roller is cleaned by applying the same negative polarity as the toner.

2-33

Discharger BrushTo neutralize any charge potential left in the paper which has undergone the image transfer stage, there is the Discharge Brush fitted to the guide plate after the Transfer Roller.

Drum ScrapersThe drum scrapers mounted in the drum cartridge properly separate paper from the surface of the OPC drum.

2-34

2.3.8 FusingLocation of the unit

The toner image transferred on to the paper is securely fixed. A heat roller system is used as the fusing system. The heat roller is heated by the lamp heater inside the roller. The toner image is securely fixed by the pressure between the heat roller and press fuser roller. A thermistor detects and controls the heater rollers temperature.

1

2

3

4

91 2 3 4 5 Cleaning roller Heat roller Paper separate blade Fused toner Press fuser roller

8

7

66 7 8 9

5Paper Non-fused toner Lamp heater Thermistor

2-35

The cleaning roller cleans the dirt of the heat roller. It is driven by the heat roller and rotates at a circumferential velocity of 0.625 times faster than the heat roller.

1

21 2 3 Press roller Heat roller Thermostat

3

44 5

5Thermistor Thermal fuse

2-36

2.3.9 Paper supplyThe main motor drives the pickup roller and the paper feed roller to supply paper. The pickup roller transfers the paper and the paper feed roller and separate roller separates oen sheet of paper and fed into the main unit. When the paper cassette is closed, the lever is pushed to lower the pickup roller. The Liftup upper limit sensor detects the upper limit position when the paper lifting plate is raised. The paper empty sensor detects when paper in the cassette runs out.1

2 3

5 4

6

1 2 3

Lever Pickup roller Liftup upper limit sensor

4 5 6

Paper feed roller Separate roller Paper empty sensor

2-37

2.4 Interconnect Block DiagramSee the attached files.

2-38

2.5 Block diagramsPCB MAIN PCB PANEL LCD PANEL -A PANEL -B Gate IC1 SH7706 CPU IC7 64Mb FLASH ROM IC9 (*1) 256Mb -SDRAM (System Memory) (Document Memory) (ECM Buffer) (MODEM Buffer) System Bus IC8 (*2) 1Mb -SRAM

ADF model (MFX-2700 and MFX-2200)PCBVOICE IC2 MSM6650 IC5 32Mb FLASH ROM Ni-MH battery System Bus -B IC35 MMD5020 MODEM V34 Option 2nd LINE MODEM PCB NCU DAA RJ11 Option 2nd LINE NCU RJ45 RJ11 Option NIC NP-400

EX memory (*1) 256Mb-SDRAM

Option Office Bridge Pro WS -550 Option PCL OP -550 Gate

or

PCB SCANER IC5 AFE IC2 MD0008 IMAGE PROCESSING IC1 Driver. PCB ADF

Lithium battery

Gate

SPEAKER

Audio

IC2 CCD 600dpi Inverter Lamp

Compact Flash Memory

Gate

IC2 MD0010 SYSTEM ASIC System Bus Controller Image Bus Controller PSU-200E POWER SUPPLY Power Saved Option

IC6 MD0002 Image Memory Control

FBS MOTOR ADF MOTOR

CODEC (COMM) CODEC (Scanner) CODEC (Printer) USB 1.1 I/F CON

RES. CONV (COMM)

IC13 256Mb-SDRAM (Image Memory)

IC1 Driver. PCB PRT

RJ45 PCB CCD

PRINTER UNIT

RES. CONV (Smoothing)

Main MOTOR1 Gate PCB LPH IC1 LPH control PCB CASSETTE LED HEAD Main MOTOR2

VIDEO I/F LED I/F

(*1) Cpmmected to the Ni-MH battery (*2) Cpmmected to the Lithium battery

HIGH VOLTAGE POWER SUPPLY

RADF model (MFX-2725 and MFX-2225)PCB MAIN PCB PANEL LCD PANEL -A PANEL -B Gate IC1 SH7706 CPU IC7 64Mb FLASH ROM IC9 (*1) 256Mb-SDRAM (System Memory) (Document Memory) (ECM Buffer) (MODEM Buffer) IC8 (*2) 1Mb-SRAM PCB VOICE IC2 MSM6650 IC5 32Mb FLASH ROM System Bus-B Ni-MH battery IC35 MMD5020 MODEM V34 Option 2nd LINE MODEM PCB NCU DAARJ11

Option 2nd LINE NCURJ45

EX memory (*1) 256Mb-SDRAM 512Mb-SDRAM 32MB or 64MB SPEAKER System Bus

Option Office Bridge Pro OB-550 Option PCL OP-550 Gate

RJ11

or

Option NIC NP-400

PCB SCANNER RADF IC5 AFE IC2 MD0008 IMAGE PROCESSING IC50 MD0008 ADF CONTROLER ADF driver PCB Driver. Senser. PCB PRT FEED MOTOR IC1 Driver.

RJ45

PCB CCD IC2 CCD 600dpi Inverter Lamp

Audio Lithium battery Gate

Compact Flash Memory

Gate

IC2 MD0010 SYSTEM ASIC PSU-200E System Bus Controller Image Bus Controller POWER SUPPLY Power Saved Option CODEC (COMM) CODEC (Scanner) CODEC (Printer) USB 1.1 I/FCON

IC6 MD0002 Image Memory Control

FBS MOTOR

RES. CONV (COMM)

IC13 256Mb-SDRAM (Image Memory)

READ MOTOR PRINTER UNIT

RES. CONV (Smoothing) VIDEO I/F LED I/F

Gate

PCB LPH IC1 LPH control

MOTOR1

Main

(*1) Connected to the Ni-MH battery (*2) Connected to the Lithium battery

PCB CASSETTE

LED HEADHIGH VOLTAGE POWER SUPPLY

MOTOR2

Main

2-39

Main Control PCBThe main control PCB controls the operations of all machine functions. The modem modulates and demodulates the data, detects the control signal, and send DTMF signals. It processes the rotation of the scanned image, fax received image and print image. It transports the image in memory to the LPH PCB in serial data. When a Compact Flash Memory Card is inserted to the socket and the machine is turned on, it transfers the updating data to the SDRAM, and after the transferring writes the data on to the FLASH memory. It controls the High Voltage Power Supply. Memory section: FLASH MEMORY -- The FLASH MEMORY contains all program instructions for unit operation, the background level and all other parameters. SRAM -- The SRAM, which is backed-up by a lithium battery is used to store user programmed information. When the jumper pin JP2 is removed, the stored information will be cleared. SDRAM -- The SDRAM is used for buffer the following items. It is backed-up by a Nickel-metalhydride battery on the Voice PCB. Program data - When the machine is turned on, the CPU operation data on the Flash memory will be copied to SDRAM, and the program will be executed. Program data - Encoded image data Program data - Temporary memory for transmission Note: The SDRAM back-up battery is connected to the Voice PCB. When the Main control PCB is replaced, the connection will be lost. To remove the Main control PCB without loosing the backed-up memory, do not remove the harness between Main control PCB and Voice PCB. When the jumper pin JP2 is removed and reinserted, be sure to clear all the data. When the harness between the Main control PCB and Voice PCB is removed and reinserted, execute the DRAM Clear operation. Press , , , and [Yes].)

Note: Note:

Scanner PCB / Scanner RADF PCBThe scanner PCB and scanner RADF PCB detect the sensors on the scanner. They control the drive motor. They drive the FBS motor. They control the CCD. They offset and adjust the image signal (analog) from the CCD, converts AD, and processes the image.

ADF PCB / ADF driver PCBThe ADF PCB and ADF driver PCB detect the sensors on the ADF and RADF. They control the ADF and RADF drive motor.

CCD PCBThe CCD PCB scans the document with 600 dpi CCD, and transfer the image signal (analog) to the Scanner PCB.

PRT PCBThe PRT PCB detect the sensors in the printer unit. It controls the clutch.

2-40

LPH PCBThe LPH PCB changes the print serial data on the Main control PCB to a data format for LEDPrintHead, and transfer the data to the LED-Print-Head. It reads the LED individual difference correction data, and adjust the print density automatically.

Panel PCBThe Panel PCB controls the LCD. It scans the keys on the panel and on the LCD.

Voice PCBThe Voice PCB outputs the voice guidance. The nickel metal hydride battery to back-up the SDRAM of the Main control PCB, is equipped on the voice PCB.

2-41

2.6 Network Control Unit (NCU) PCBThe NCU PCB provides the connection to the telephone line. It consists of the interface circuit, ring signal detector and telephone control circuit.IC1 IC2OFHK CI SDI SDO FSYNL MCLK24.576MHZ

LINE

TEL1

PC4

OH

TEL2

NCU PCB block diagram Major components of the NCU IC1: AFE (Analog Front End) IC1 has the following functions: Off Hook (The establishment of DC loop state): It makes the quiescent state from the loop state. CI detector: It detects the ringing signal. OH detector: It detects the state of On-hook or Off-hook of the external telephone. IC2 IC2 controls the IC1. It also sets the parameter of the IC1. H relay It exchanges the connection for the Tel1 and Tel2 line connection. Normally, it is connected to the line, makes AC loop and detects Off-hook by line current. When it is connected to the private line, the line current is not available but it is supplied private current from the MFP. CI detector Detects the calling signal. OH detector Detects the hook condition of the second telephone unit. Normally, IC1 detects the hook condition. When the second telephone is connected to the private line, PC4 detects the hook condition.

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2.7 Low Voltage Power Supply Unit (LVPS)The power supple is from 220 VAC to 240 VAC. The power supply unit receives the input line voltage and currents it to output voltage of +5 VDC, +24 VDC and +3.3 VDC. +24 VDC is controlled by transformer, + 5 VDC and + 3.3 VDC is controlled by DC/DC converter. It consists of the primary controller, secondary controller, heater controller and flicker controller. The AC input is switched between INLET and AC SW. An overvoltage and overcurrent preventing circuit is equipped. A driver circuit for the heat roller is quipped. The output range is from 750 W / 220 VAC to 750 W / 240 VCA.INLETL CN1 N

SW

INPUT AC CN1FUSE LINE FILTER RECTIFICATION/ LEVEL RECTIFICATION/ LEVEL

OUTPUT CN2+24.0V 3 4 5 6 CONTROL +24V HEATER CONTROL 1 CONTROL IC HEATER CONTROL 2 CONTROL DC/DC + +5.0V 11 12

01

PC1A

CONTROL DC/DC +

+3.3V

OUTPUT HEATER CN101PGND PC2A

13 14 7 8 9 10 15 16 2

SGND PT102 HC2

PT101

HC1

1

DB2 LOW VOLTAGE POWER SUPPLY

2-43

2.8 High Voltage Power SupplyThis PCB makes and supply high voltage for every electrophotographic process (charging, grid, developing, transferring). To charge the drum surface negatively, the charge section generates negative-voltage and impresses the comb electrode. To charge the drum surface evenly, the grid mesh at the opening of the charge section generates negative-voltage and impresses the grid electrode. The voltage is changed by an analog signal. To transfer the toner in the developing unit to the drum, the developing unit generates negative-charge and impresses the mag-roller. The voltage is changed by an analog signal. To transfer the image on the drum to the paper, the transfer unit generates positive-voltage and impresses the transfer roller. By cleaning the transfer roller, negative-voltage is generated and impressed to the roller. The voltage is changed by an analog signal.

+24V

Charge(-)

Control Signal

G rid(-)

PCB HVPSD eveloper(-) Analog Signal

Transfer (+) Transfer (-)

DB2 PCB High Voltage Power Supply

2-44

3 Adjustment Procedures3.1 Field Service Program ModesThe machine feature maintenance modes for machine adjustment. Each mode is listed below along with the command used to activate the mode and a brief functional description. Note: When you press * , you will hear short beeps. However continue the operation, as there is no problem. Set or Clear Machine Parameters ................................................................... , , , Used to set or clear machine parameters. Set or Clear Memory Switches ........................................................................ , , , Used to set or clear memory switches. Clear Programmed Data / User Settings ........................................................ , , , Erases user-programmed information (date, time, TTI, address book, etc.) and any docu, ments stored in memory. All RAM Clear .................................................................................................... , , , Erases same information as Clear Programmed Data / User Settings function along with resetting all of the memory switches and unique switches to factory defaults. Set or Clear Unique Switches.......................................................................... , , , Used to set or clear Unique switches. T.30 Monitor ...................................................................................................... , , , Used to print a G3 procedural summary of the fax communication. Printer maintenance ......................................................................................... , , , Access this mode to determine the cause of the Call Service error message. ccess Or, when replaced the Fuser unit or Image transfer roller, reset the counter using this mode. hen ransfer , Monitor Speaker ............................................................................................... , , , Use to hear the signal sound with machines speaker during fax transaction. Test Modes ........................................................................................................ , , , Allows the technician to perform a series of diagnostic tests. Print Machine Parameters, Memory Switches and Unique Switches List ....................................................................................... , , , Prints a list of the machine switch settings showing the default settings and current settings. Factory Functions ........................................................................................... , , , Allows the technician to perform a series of diagnostic tests. Line Tests .......................................................................................................... , , , s Allows the technician to perform a series of diagnostic tests. Mirror Carriage Transfer Mode ........................................................................ , , , Perform it before installing the fax machine. Set or clear the consumable order sheet ....................................................... , , , Used to set or clear the consumable order sheet. DRAM Clear ....................................................................................................... , , , Used to clear a DRAM. Clear Life Monitor ............................................................................................. , , , Used to clear a Life monitor keeps a count of the pages scanned, etc. Clear option modules SRAM .......................................................................... , , , , Used to clear a SRAM of option module. Set Service Code .............................................................................................. , , , Used to protect to clear a Life monitor. Life Monitor Maintenance ................................................................................ , , , , When the main PCB has been replaced, you should register the previous several counter values of the life monitor. Sensor Input test ............................................................................................. , , , , Sensor diagnostic test. 3-1

Printer diagnostic mode .................................................................................. , , , , Printer diagnostic test. Network service mode .................................................................................... , , , ode , Used to display the server sumcheck, export/import the network setting data or to initialize the network settings. Flash ROM Sum check ..................................................................................... , , , , Used to confirm flash ROM Check Sum after the software is overwritten. Service Report setting ..................................................................................... , , , , Used to enter location where to send the service report. Printer registration adjustment ....................................................................... , , , , Used to adjust the printer registration. Printer trouble reset ......................................................................................... , , , , Used to delete the error message on the LCD. Cleaning mode .................................................................................................. , , , , Used to rotate the feed roller and registration roller for cleaning. Voice test........................................................................................................... , , , , Used to test the voice guidance. Set or Clear Network Switches........................................................................ , , , Used to set or clear Network switches. Security function maintenance ....................................................................... , , , Used to edit the security function regardless of the registered protect passcode. Black ratio measuring ...................................................................................... , , , Used to measure the black ratio of any document. Service function menu ..................................................................................... , , , Displays all the available field service program modes shortcuts. Update the software ......................................................................................... , , , Used to upgrade the software using the CF (Compact Flash) card. Quick installation mode ................................................................................... , , , You can set the initial setting mode, consumable order sheet setting and service report setting continuously.setting continuously.

3-2

3.2 Machine Parameter Adjustment3.2.1 Setting the Machine ParametersThese switches are used to program internal machine parameters. The primary back up battery maintains these settings if power is lost. 1. From standby, press , , , . 2. Select Edit Parameters. and press [Enter].

3. Call up the desired switch by pressing < > or < >, or by pressing the numeric keypad.

4. Press [Enter].

5. To navigate through the machine parameter settings: The bits are ranged from 7 (left) to 0 (right). Press < > or < > of the cursor key to move the cursor. Press or on the numeric keypad, or < > or < >, to change the bit value. Press [Enter] to save the setting of the displayed parameter and return to the machine parameter edit screen. Press [Close] not to save the setting of the displayed parameter. 6. If you want to set other machine parameters, repeat step 3-5. Otherwise, proceed to step 7. 7. Press to return the machine to standby. Note: You can confirm the initial setting of each Machine parameter by the Machine Parameters List. The Machine Parameters List will be printed by pressing , , , .

3.2.2 Clearing the Machine ParametersResets the machine parameters to factory defaults. 1. From standby, press , , , . 2. Select Clear Parameters and press [Enter].

3. Press [Yes]. The machine parameters will reset to factory defaults. Note: To finish the operation without clearing the parameters, press [No]. 4. Press to return the machine to standby. 3-3

Machine Parameter 000 Factory use only Machine Parameter 001Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Factory use only Factory use only Factory use only Factory use only Output attenuation Usage/Comments

See table below Note: The setting of this switch is available only when setting other than 0 dB (and this setting is used instead o f Memory Switch 011, bit 3-0.)

Machine Parameter 001Output attenuationSwitch 3 2 1 0 -15 dB 1 1 1 1 -14 dB 1 1 1 0 -13 dB 1 1 0 1 -12 dB 1 1 0 0 -11 dB 1 0 1 1 -10 dB 1 0 1 0 -9 dB 1 0 0 1 -8 dB 1 0 0 0 -7 dB 0 1 1 1 -6 dB 0 1 1 0 -5 dB 0 1 0 1 -4 dB 0 1 0 0 -3 dB 0 0 1 1 -2 dB 0 0 1 0 -1 dB 0 0 0 1 -0 dB 0 0 0 0

Machine Parameter 002 ~ 006 Factory use only Machine Parameter 007Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 1 1 Adjust Not used Not used Not used Not used Not used DRAM capacity indication on the Expansion Memory n PCB DRAM capacity indication on the Expansion Memory n PCB DRAM capacity indication on the Main PCB n Usage/Comments

This switch indicates the DRAM capacity. (This switch is read only, do not set any character) You can see the memory capacity by how many 1 is indicated on the LCD. One 1 means 32 MB. For example, if two 1 are indicated, i.e. 011, the DRAM capacity is 32 MB x 2 64 MB.

Machine Parameter 008 and 009 Factory use only

3-4

Machine Parameter 010Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 1 1 1 1 Adjust ADF scanner registration adjustment (Horizontal) Copy mode Adjusts the start point to scan the document. The plus setting increases the left margin and the minus setting decreases it. 1 step 5 / 600 dpi (0.2116 mm) Switch Usage/Comments 76543210 Settings +5.290 mm +4.232 mm +2.116 mm 0 mm -2.116 mm -4.232 mm -5.290 mm

+25 steps 00011001 : +20 steps 00010100 : +10 steps 00001010 : 00000000 : -10 steps 10001010 : -20 steps 10010100 : -25 steps 11111101

Note:To adjust fax / scan mode, adjust machine parameter 453.

Machine Parameter 011Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Adjustment of the scanning stretching and squeezing for ADF. (Horizontal) The plus setting stretches the image data and the minus setting squeezes it. Each setting changes by 0.1 Usage/Comments Switch 76543210 00001111 : 00001000 : 00000100 : 00000010 00000001 01 1 00000000 10000001 0000001 01 1 10000010 0000010 : 10000100 : 10001000 : 10001111 Settings +1.5 +0.8 +0.4 +0.2 +0.1 0 Initial setting -0.1 -0.2 -0.4 -0.8 -1.5

3-5

Machine Parameter 012Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 0 1 0 1 Adjust Adjustment of the scanning stretching and squeezing for ADF. (Vertical) Fax/Scan mode The plus setting squeezes the image data and the minus setting stretches it. Each setting changes by 0.1 Usage/Comments Switch 76543210 00111111 : 00011111 : 00001111 : 00001000 : 00000001 01 1 00000000 10000001 0000001 001 1 : 10001000 : 10001111 : 10011111 : 10111111 Settings +6.3 +3.2 +1.5 +0.8 +0.1 0 Standard -0.1 0.1 1 -0.8 -1.5 -3.2 -6.3

For copy mode, adjust machine parameter 430.

Machine Parameter 013Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 1 0 0 0 Adjust Leading edge document margin adjustment (ADF) Adjusts the leading edge margin from Document Sensor 2 (DS2) to the start of scanning the position. 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: To adjust the steps for each mode, use aditional parameters. Mode Copy mode Fax mode Resolution Normal Fine Super fine / Hyper fine Ultra fine Adding Machine Parameter 431 086 087 088 089

3-6

Machine Parameter 014Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 1 1 0 1 0 1 Adjust Trailing edge document margin adjustment (ADF) Adjusts document feed after the trailing edge of a document passes Document Sensor 2 (DS2). 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: To adjust the steps for each mode, use aditional parameters. Mode Copy mode Fax mode Resolution Normal Fine Super fine / Hyper fine Ultra fine Adding Machine Parameter 432 076 077 078 079

3-7

Machine Parameter 015Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 1 0 0 0 Adjust FBS scanner registration adjustment (Horizontal) Copy mode Adjusts the start point to scan the document. The plus setting increases the left margin and the minus setting decreases it. 1 step 5 / 600 dpi (0.2116 mm) Switch Usage/Comments 76543210 Settings +5.29 mm +3.39 mm +1.69 mm 0 mm -1.69 mm -3.39 mm -5.29 mm

25 steps 00011001 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : -25 steps 10011001

Note: For adjust fax / scan mode, adjust machine parameter 454.

Machine Parameter 016Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Adjustment of the scanning stretching and squeezing for FBS. . (Horizontal) The plus setting stretches the image data and the minus setting squeezes it. Each setting changes by 0.1 Usage/Comments Switch 76543210 00001111 : 00001000 : 00000100 : 00000010 00000001 01 1 00000000 10000001 0000001 01 1 10000010 0000010 : 10000100 : 10001000 : 10001111 Settings +1.5 +0.8 +0.4 +0.2 +0.1 0 Initial setting -0.1 -0.2 -0.4 -0.8 -1.5

3-8

Machine Parameter 017Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Adjustment of the scanning stretching and squeezing for FBS. (Vertical) Copy mode The plus setting squeezes the image data and the minus setting stretches it. Each setting changes by 0.1 Usage/Comments Switch 76543210 00001111 : 00001000 : 00000100 : 00000010 00000001 01 1 00000000 10000001 0000001 01 1 10000010 0000010 : 10000100 : 10001000 : 10001111 Settings +1.5 +0.8 +0.4 +0.2 +0.1 0 Initial setting -0.1 -0.2 -0.4 -0.8 -1.5

For copy mode, adjust machine parameter 435.

Machine Parameter 018Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 0 0 1 1 Adjust Leading edge document margin adjustment for FBS or ADF model Copy and Scan mode Adjusts the leading edge margin after Home Sensor OFF to the start of scanning the position. Each setting changes by 0.140793616 mm. Usage/Comments Switch 76543210 31 steps 00011111 1 : 16 steps 00010000 010000 10000 : 8 steps 00001000 001000 1000 : 4 steps 00000100 000100 0100 : 00000000 : -4 steps 10000100 0000100 0100 : -8 steps 10001000 0001000 1000 000 00 : -16 steps 10010000 0010000 10000 0000 00 : -31 steps 10100000 1 0100000 Settings +4.36 mm +2.25 mm +1.13 mm +0.56 mm 5 mm -0.56mm 0.56mm -1.13mm 1.13mm -2.25 mm -4.36 mm

For copy mode, add the value of machine parameter 436. For fax mode, adjust machine parameter 455. Note: For RADF model, adjust it using the machine parameter 457.

Machine Parameter 019 Factory use only

3-9

Machine Parameter 020Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 1 1 0 0 Adjust Mirror carriage standby position adjustment Adjusts the number of the steps from the home sensor of the mirror carriage OFF to the standby position. 1 step 0.140793616 mm Usage/Comments Switch 76543210 63 steps 00111111 : 60 steps 00111100 : 50 steps 00110010 : 30 steps 00010100 : 10 steps 00001010 : 3 steps 00000011 2 steps 00000010 1 step 00000001 00000000 Settings +8.87 mm +8.45 mm +7.04 mm +2.82 mm +1.41 mm +0.42 mm +0.28 mm +0.14 mm 20 mm

When Switch 7 is 1, it means - . For example, 10000001 means -0.14 mm. 4

Machine Parameter 021Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 1 1 1 1 Adjust Mirror carriage transfer mode position adjustment Adjusts the number of the steps from the home sensor of the mirror carriage OFF to the transfer mode position. 1 step 0.140793616 mm Usage/Comments Switch 76543210 63 steps 00111111 : 60 steps 00111100 : 50 steps 00110010 : 30 steps 00010100 : 10 steps 00001010 : 3 steps 00000011 2 steps 00000010 1 step 00000001 00000000 Settings +8.87 mm +8.45 mm +7.04 mm +2.82 mm +1.41 mm +0.42 mm +0.28 mm +0.14 mm 20 mm

When Switch 7 is 1, it means - . For example, 10000001 means -0.14 mm. 4

Machine Parameter 022 ~ 029 Factory use only

3-10

Machine Parameter 030Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Scanning density level adjustment in normal resolution. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 Initial setting : 10001000 : 11111111 Lightest setting

Machine Parameter 031Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Scanning density level adjustment in fine resolution. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 Initial setting : 10001000 : 11111111 Lightest setting

Machine Parameter 032Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Scanning density level adjustment in super-fine resolution. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 Initial setting : 10001000 : 11111111 Lightest setting

3-11

Machine Parameter 033Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Scanning density level adjustment in hyper-fine resolution. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 Initial setting : 10001000 : 11111111 Lightest setting

Machine Parameter 034Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Scanning density level adjustment in ultra-fine (600dpi x 600dpi) resolution. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 Initial setting : 10001000 : 11111111 Lightest setting

Machine Parameter 035Switch 7 6 5 4 3 2 1 0 Initial Setting 1 1 0 0 0 0 0 0 Adjust Scanning density level adjustment in background mode. Usage/Comments Switch 76543210 01111111 Darkest setting : 00001000 : 00000000 : 10001000 : 11000000 Initial setting : 11111111 Lightest setting

Machine Parameter 036 ~ 069 Factory use only

3-12

Machine Parameter 070 ~ 071 Factory use only Machine Parameter 072Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 1 0 1 Adjust Factory use only Factory use only Left side edge document margin adjustment Each setting changes by 0.4233 mm. Left side means the side of the scanning position. Usage/Comments

Adjust this parameter when black line appears on the left edge of the printouts in following cases: While paper selection is set to Auto, A4 or B4 paper is selected in rotate printing The document set on the FBS is A5 or B5 , or the vertical length of the document is shorter than A5 or B5 . Switch 5 4 3 2 1 0 111111 : 111100 : 110010 : 101000 : 011110 : 010101 : 000101 : 000001 000000 Settings 26.67 mm 25.40 mm 21.17 mm 16.93 mm 12.70 mm 8.47 mm 2.11 mm (Initial setting) 0.42 mm 0.0 mm

Machine Parameter 073 ~ 075 Factory use only

3-13

Machine Parameter 076Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 1 0 0 1 Adjust Trailing edge document margin adjustment (ADF) ADF model Fax mode Normal Resolution Adjusts document feed after the trailing edge of a document passes Document Sensor 2 (DS2). 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +5.25 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.25 mm

31 steps 00011111 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : -31step 100011111

Note: Add these steps to machine parameter014, when adjusting the steps for transmission with normal resolution.

Machine Parameter 077Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 1 Adjust Trailing edge document margin adjustment (ADF) ADF model Fax mode Fine Resolution Adjusts document feed after the trailing edge of a document passes Document Sensor 2 (DS2). 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +5.25 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.25 mm

31 steps 00011111 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : -31step 100011111

Note: Add these steps to machine parameter014, when adjusting the steps for transmission with fine resolution.

3-14

Machine Parameter 078Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 1 0 Adjust Trailing edge document margin adjustment (ADF) ADF model Fax mode Super-fine Resolution Hyper-fine Resolution Adjusts document feed after the trailing edge of a document passes Document Sensor 2 (DS2). 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +5.25 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.25 mm

31 steps 00011111 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : -31step 100011111

Note: Add these steps to machine parameter014, when adjusting the steps for transmission with super/hyper -fine resolution.

Machine Parameter 079Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Trailing edge document margin adjustment (ADF) ADF model Fax mode Ultra-fine Resolution Adjusts document feed after the trailing edge of a document passes Document Sensor 2 (DS2). 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +5.25 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.25 mm

31 steps 00011111 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : -31step 100011111

Note: Add these steps to machine parameter 014, when adjusting the steps for transmission with ultra-fine resolution.

3-15

Machine Parameter 080 ~ 085 Factory use only Machine Parameter 086Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 0 0 1 1 Adjust Leading edge document margin adjustment (ADF) Adjusts the leading edge margin from Document Sensor 2 (DS2) to the start of scanning the position. ADF model Fax mode Document type: Normal 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: Add these steps to machine parameter013, when adjusting the steps for transmission with normal resolution.

Machine Parameter 087Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 0 0 1 1 Adjust Leading edge document margin adjustment (ADF) Adjusts the leading edge margin from Document Sensor 2 (DS2) to the start of scanning the position. ADF model Fax mode Document type: Fine 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: Add these steps to machine parameter 013, when adjusting the steps for fax mode / fine scanning.

3-16

Machine Parameter 088Switch 7 6 5 4 3 2 1 0 Initial Setting 1 0 0 0 0 0 1 1 Adjust Leading edge document margin adjustment (ADF) Adjusts the leading edge margin from Document Sensor 2 (DS2) to the start of scanning the position. ADF model Fax mode Document type: Super Fine / Hyper Fine 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: Add these steps to machine parameter 013, when adjusting the steps for fax mode / super/ hyper-fine or hyper-fine scanning.

Machine Parameter 089Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 1 0 Adjust Leading edge document margin adjustment (ADF) Adjusts the leading edge margin from Document Sensor 2 (DS2) to the start of scanning the position. ADF model Fax mode Document type: Ultra Fine (600 dpi) 1 step 2 / 300 dpi (0.0847 x 2 mm) Switch Usage/Comments 76543210 Settings +10.67 mm +5.41 mm +2.71 mm +1.35 mm 27.8 mm -1.35 mm -2.71 mm -5.41 mm -10.67 mm

63 steps 00111111 : 00100000 : 00010000 : 00001000 : 00000000 : 10001000 : 10010000 : 10100000 : -63step 101111111

Note: Add these steps to machine parameter 013, when adjusting the steps for fax mode / ultrafine (600dpi) scanning.

Machine Parameter 090 ~ 099 Factory use only3-17

Machine Parameter 100Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 1st cassette for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 110 for the rotate printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 101Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 2nd cassette for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 111 for the rotate printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

3-18

Machine Parameter 102Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 3rd cassette for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 112 for the rotate printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 103Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 4th cassette for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 113 for the rotate printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 104 ~ 106 Factory use only

3-19

Machine Parameter 107Switch 7 6 5 4 3 2 1 0 Initial Setting 1 1 1 1 1 0 0 1 Adjust Printer registration adjustment (Horizontal) at the Bypass tray for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 117 for the rotate printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 108Switch 7 6 5 4 3 2 1 0 Initial Setting 1 1 1 1 1 0 0 1 Adjust Printer registration adjustment (Horizontal) at the duplex printing for normal printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 109 Factory use only

3-20

Machine Parameter 110Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 1st cassette for rotate printing. Adjusts the start point to print. The plus setting increases the left margin and the minus setting decreases it. The setting changes by 0.1mm. Note: See Machine Parameter 100 for the normal printing. Switch 127 steps 32 steps 16 steps 8 steps Usage/Comments 76543210 01111111 : 00100000 : 00010000 : 00001000 : 00000000 : 11110111 : 11101111 : 10000000 Settings +12.7 mm +3.2 mm +1.6 mm +0.8 mm 0 mm -0.8 mm -1.6 mm -12.7 mm

-8 steps -16 steps -127 steps

Note: Set this switch after setting the margin to 0 mm in Unique Switch 52. Then, after setting this switch, set the margin to the initial setting in Unique Switch 52.

Machine Parameter 111Switch 7 6 5 4 3 2 1 0 Initial Setting 0 0 0 0 0 0 0 0 Adjust Printer registration adjustment (Horizontal) at the 2nd cassette for rotatel printing. Adjusts the start point to print. The plus setting increases the left