QY8-13P1-000MAY. 1998

COPYRIGHT 1998 CANON INC. CANON BJC-4400 PRINTED IN JAPAN (IMPRIME AU JAPON)

REVISION 0

SERVICEREFERENCE MANUAL

Q30-2830-220 120V(CCSI)

Q30-2830-221 120V(CAN)

Q30-2830-222 (UNIVERSAL)

Q30-2830-230,630 220V-240V(EUR)

Q30-2830-231,631 220V-240V(GER)

Q30-2830-232,632 220V-240V(FRN)

Q30-2830-280,680 220V-240V(UK)

ApplicationThis manual has been issued by Canon Inc. for qualified persons to learn technical theory, installation, maintenance, and repairof products. This manual covers all localities where the products are sold. For this reason, there may be information in thismanual that does not apply to your locality.

CorrectionsThis manual could include technical inaccuracies or typographical errors due to improvements or changes in the products. Whenchanges occur in applicable products or in the content of this manual, Canon will release technical information as the need arises.In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new editions of thismanual.

The following paragraph does not apply to any countries where such provisions are inconsistent with local law.

TrademarksThe product names and company names described in this manual are the registered trademarks of the individual companies.

CopyrightThis manual is copyrighted with all rights reserved. Under the copyright laws, this manual may not be copied, reproduced ortranslated into another language, in whole or in part, without the written consent of Canon Inc., except in the case of internalbusiness use.

Copyright 1998 by Canon Inc.CANON INC.BJ Products Technical Support Dept16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki-shi, Kanagawa 213, Japan

This manual was produced on an Apple Macintosh Power Mac 8500/180 personal computer and Apple

LaserWriter16/600PS-J laser beam printer; final pages were printed on Varityper 5300 with 4000-J RIP. All graphics were

produced with MACROMEDIA FREEHAND 5.5J.

All documents and all page layouts were created with QuarkXPress 3.3J.

I. PREFACE

This manual is based on the following manuals, and only includes differences between BJC-4300 andBJC-4400 .

QY8-1352-000 BJC-4300 SERVICE MANUAL, Rev.0

II. CONTENTS

CHAPTER 1: MAJOR CHANGESThis chapter explains the main differences between BJC-4300 and BJC-4400.

CHAPTER 2: SERVICE MANUALThis chapter explains the main differences between the SERVICE MANUAL of the BJC-4300 andBJC-4400.

NOTE · Page No. displayed are those of pages to be replaced for each item.

CHAPTER 1MAJOR CHANGES

I. MAJOR CHANGES

BJC-4400 contains the following modifications compared to BJC-4300.

1.1 PRODUCT SPECIFICATIONS1. Faster throughput speed(especially in HS mode)2. T-shirt Transfer (TR-201) added as media type

1.2 PRINTER MECHANICAL SYSTEM1. Countermeasures for quality improvements to the current model were incorporated

Shape changes : Carriage, paper delivery guide, platen and bottom case Additional changes : Increased area and amount of grease application

1.3 PRINTER ELECTRICAL SYSTEM1. To improve throughput speed, the carriage motor, the paper feed motor and the motor driver were

modified.

CHAPTER 2SERVICE MANUAL

Part 2: Product SpecificationsBJC-4400

2-1

1. PRODUCT OUTLINE

1.1 Product OutlineThis full color bubble jet desktop printer not only realizes high image printing through the implementationof the PhotoRealism concept, but also higher speed printing compared to previous models. This printer achieves high image printing by adopting "drop modulation technology" in the color BJcartridge and the photo BJ cartridge. The expanded printing environment has allowed the printer to have banner printing capabilities. Theprinter can also be used as a compact color scanner when the scanner cartridge is installed in the carriage. All the function settings are easily set by the personal computer. The operation is easily performed with thebidirectional Centronics interface (effective only for the device ID response)This printer uses a built-in AC adapter. This is a small and light weight personal color printer with highperformance capabilities.

AC Adapter

Parallel Interface Connector

Manual Feeding Slot

Paper Support Cut Sheet Feeder

Paper Guide

Operator PanelFront Cover

Paper Output Tray

Paper Output Tray Extension Guide

BJ Cartridge Container

Figure 2-1 Printer Exterior

Part 2: Product Specifications

2-2

1.2 Features1. Higher speed printing

Black BJ Cartridge : 5.5 PPM (HS mode)Color BJ Cartridge : 2.2 PPM (HS mode)

2. Compact (desk-top size)Dimensions: 383 mm W x 231.6 mm D x 203 mm HWeight: Approx. 3.5 kg (7.7 lbs) (including color BJ cartridge)

3. Built-in AC adapter employs a high-current capable switching power supply.4. Automatic power control (auto power on/off)5. High quality printing of 720 x 360 dpi (in both monochrome and black when using the special printer

driver)6. Two standard built-in printer control modes

LQ mode (EPSON LQ-2550 emulation)BJ mode (IBM Proprinter X24E emulation)[Canon extended mode is supported when using the canon printer driver.]

7. User replaceable BJ cartridge and adopting drop modulation technology color/ photo BJ cartridge .Color BJ Cartridge Drop modulation technology has been adopted.(Multi drop) It has separate ink cartridges (Bk) (Y, M, C) and the head with 136 nozzles

in a vertical line; 64 nozzles (Bk) + 24 nozzles x 3 (Y, M, C).Black BJ Cartridge Contains the black ink and the head with 128 nozzles.

Depending on each sales territory, it is not packed with the printer, but isavailable separately.

Photo BJ Cartridge Drop modulation technology has been adopted.(Multi drop) It has integrated ink cartridges with the head with 136 nozzles in a vertical

line; 64 nozzles (Bk) + 24 nozzles x 3 (Y, M, C).Black ink cartridge Black ink cartridge for the color BJ cartridge.Color ink cartridge Tri-color (Y, M, C) ink cartridge for the color BJ cartridge.(*Previous color and photo BJ cartridges that do not use drop modulation technology may be used,however the printing quality will be the same as when drop modulation technology is not used.)

8. Device ID compatible to "Plug and Play"(Responds only to the device ID/status of nibble mode)

9. Banner printing capabilities.10. Capable of the double paper feeding with the leverless cut sheet feeder and manual feed. (It is possible

to feed paper manually even when the paper has been set on the cut sheet feeder.)11. Photo quality printing using the Photo kit option and the photo printing special driver.12. Cartridge container packed with the printer.13. High quality photo image input using the option color image scanner cartridge.

BJC-4400

Part 2: Product Specifications

2-8

2. SPECIFICATIONS

2.1 Printer Specifications1. Type

Desk-top serial color bubble jet printer

2. Paper feeding methodAuto feeding and manual feeding

3. Cut Sheet Feeder capacityPlain paper: Maximum 10 mm (approximately 100 pages of 64g/m2 paper)Envelopes: 10 envelopes (Commercial number 10 and DL)Transparencies: 50 sheetsBPF: 10 sheetsGlossy film/ BJ cloth: One page with the manual feedingScanning document: Place between the scanning holder. One page with the ASF.

4. Manual feeding slot capacityOne sheet

5. Paper weightAutomatic feed / Manual feeding slot: 64 to 105 g/m2 (17 lbs to 28 lbs)

6. Printing speedBurst

7. Printing directionUnidirectional(Print direction is automatically changed according to optimum printing directional control.)

8. Printing widthMaximum 8”

9. Line feed speed90 ms/line (128/360” line)

10. Built-in printing control modesLQ mode: Epson LQ-2550 emulationBJ mode: IBM Proprinter X24E emulation(Canon extended mode is supported when the Canon driver is used.)

11. Line feed pitch (n: programmable)LQ mode: 1/6”, 1/8”, n/60”, n/72”, n/180”, n/216”, and n/360”BJ mode: 1/6”, 1/8”, n/180”, and n/360”

BJC-4400

Color BJ Cartridge (Black printing) Black BJ Cartridge (Black printing)

HQ mode 173 cps (10 cpi) 346 cps (10 cpi)HS mode 271 cps (10 cpi) 542 cps (10 cpi)

Part 2: Product Specifications

2-9

11. Printing charactersTypefaces: LQ&BJ mode Roman, Gothic, Courier, Prestige, Script, DraftPitch: LQ mode 10, 12, 15, 17, 20 cpi, and PS

BJ mode 10, 12, 17 cpi ,and PSCharacter matrix: HQ mode 36 (H) x 48 (V) dots

HS mode 18 out of 36 (H) x 48 (V) dotsCharacter set: LQ mode Italic character set and Graphic character set

and International character setBJ mode IBM character set 1, 2

and all character set(code page 437, 850, 852 860, 863 and 865)

12. Number of columns printed

13. Bit imageVertical: 8, 24 and 48 dotsHorizontal: 60, 120, 180, 240, 360 and 720* dpi* In smoothing mode or when using the Canon driver.

14. Buffer

15. InterfaceIEEE1284 compatible parallel interface

BJC-4400

Mode Pitch cpl *LQ mode 10 cpi 10 cpi 80 cpl

10 cpi doublewide 5 cpi 40 cpl10 cpi condensed 17 cpi 137 cpl10 cpi condensed-doublewide 8.5 cpi 68 cpl12 cpi 12 cpi 96 cpl12 cpi doublewide 6 cpi 48 cpl12 cpi condensed 20 cpi 160 cpl12 cpi condensed-doublewide 10 cpi 80 cpl15 cpi 15 cpi 120 cpl15 cpi doublewide 7.5 cpi 60 cplProportional spacing PS Varies

BJ mode 10 cpi 10 cpi 80 cpl10 cpi doublewide 5 cpi 40 cpl10 cpi condensed 17 cpi 137 cpl10 cpi condensed-doublewide 8.5 cpi 68 cpl12 cpi 12 cpi 96 cpl12 cpi doublewide 6 cpi 48 cplProportional spacing PS Varies

* cpl: characters per line

Receive buffer Download bufferLQ mode 22 kB 32 kBBJ mode 22 kB 0 kB

Part 2: Product Specifications

2-10

BJC-4400

16. BJ cartridgeColor BJ cartridge (Multi Drop)Type: Color BJ cartridge with replaceable ink cartridgesPrint head: 136 nozzles (vertically-lined) Bk (64 nozzles) + Y, M, C (24 nozzles x 3)Ink colors: Black, cyan, magenta, yellowService life:

Approximately 160 pages (in the HQ mode with 1500 character pattern) with a black cartridgeApproximately 90 pages (in the HQ mode) with a color cartridge (7.5% duty per color pattern)

Weight: Approximately 85 g (3.0 oz) (including black and color ink tanks)Black BJ cartridgeType: Black BJ cartridge with integrated inkPrint head: 128 nozzles (vertically-lined)Ink color: BlackService life: Approximately 700 pages (in the HQ mode); cartridgeWeight: Approximately 85 g (3.0 oz)Photo BJ cartridge (Multi Drop)Type: Color BJ cartridge with integrated inkPrint head: 136 nozzles (vertically-lined) Bk (64 nozzles) + Y, M, C (24 nozzles x 3)Ink colors: Black, cyan, magenta, yellowService life: Approximately 25 pages (in the Photo mode); cartridgeWeight: Approximately 74 g (2.8 oz)

17. Sensor functionsPaper out: ProvidedInstallation of cartridge: ProvidedBJ cartridge/Scanner cartridge identification: ProvidedWaste ink amount: ProvidedInk out: NonePaper width: None

18. Acoustic noise levelApproximately 45dB (A)/ HQ 48dB (A)/ HS(Sound pressure level: According to ISO 9296)

19. Ambient conditions

20. Power source

21. Dimensions383 mm W 231.6 mm D 203 mm H

22. WeightApproximately 3.5 kg (7.7 lbs) (including BJ cartridge)

During operation During storageTemperature 5°C to 35°C 0°C to 35°C

(41°F to 95°F) (32°F to 95°F)Humidity 10% to 90%RH 5% to 95%RH

(no condensation) (no condensation)

Voltage/Frequency Power consumption Stand-by statusUSA/Canada AC 120V 60 HzUK/Australia AC 240V 50 Hz Max. 30 W Max. 4 WEurope AC 230V 50 Hz

2.3 Paper Specifications2.3.1 Paper size

Letter (8.5” 11”)Legal (8.5” 14”)A5 (148 mm 210 mm)A4 (210 mm 297 mm)Commercial number 10 envelope (9.5” 4.1”)European DL-size (220 mm 110 mm)

2.3.2 Paper type (Recommended)Plain paperBubble jet paper (Canon LC-301))Envelope (Commercial number 10 or European DL)Transparencies (Canon transparency film CF-102)BPF (Canon back print film BF-102)Glossy photo paper (Canon glossy paper GP-201)High gloss paper (Canon high gloss Film HG-101)Fabric (Fabric sheet FS-101)Banner (Banner paper)T-shirt transfer (Canon T-shirt Transfer TR-201)

2.3.3 Print paper

Part 2: Product Specifications

2-12

BJC-4400

Media Thickness Lever Paper Feed Flap

Black Color/Photo Method Limit Position

Plain paper Left Center Sheet feeder 10 mm Flat

High resolution paper Center Sheet feeder 10 mm Upright

Envelopes Right Sheet feeder 10 Flat

Transparencies Center Sheet feeder 50 sheets Upright

Back print film Center Sheet feeder 10 sheets Upright

Glossy photo paper Center Sheet feeder 1 sheet Upright

Banner paper Right Sheet feeder 1 sheet Upright

Fabric sheet Right Sheet feeder 1 sheet Upright

High gloss film Center Manual feed slot 1 sheet*1 Upright

T-shirt transfer Right Sheet feeder 1 sheet Flat

Part 3: Operating Instructions BJC-4400

3-2

1.2 Printer DimensionsThe printer’s dimensions are shown below. Allow enough space for the printer to be used with ease.For banner printing leave a space about the size of an A4-size paper in front of the printer. Also allowenough space at the back of the printer to set the banner paper.

· Do not place the printer in excessive heat or humidity.· Operate the printer under the following conditions:

Ambient temperature: 5°C to 35°CRelative humidity: 10% to 90% (no condensation)

· Do not place the printer in direct sunlight.· Do not place the printer near a device containing a magnet or that generates a magnetic

field.· Place the printer on a level and stable surface. · Do not place the printer in areas subject to vibration. · Keep the printer clean. · When moving the printer, hold both ends.

281 mm

268 mm

304 mm

383 mm

NOTE

Figure 3-2 Printer Dimension

Part 3: Operating Instructions BJC-4400

3-10

1.5 Paper SettingsFor optimum printing, the printer has various paper settings to suit various types of paper. Set the paperselection lever before loading the paper.

*1 Slide one sheet all the way into the manual feeding slot.

1.6 Banner PrintWhen printing on banner paper, lower the paper support and set the paper delivery flap to the uprightposition. To avoid misfeeding, put a light crease between the first and second page and set the first page inthe sheet feeder. Place the rest of the banner paper behind the printer. Do not use the manual feeding slotto avoid skewing.Each top margin for banner printing is set at 0mm. However, to avoid printing on the platen, printing willstart 3mm from the initial top margin. Set an extra sheet at the end in case the bottom edge is not printedon the last page.Banner printing uses a large amount of ink. To avoid ink shortage, use of a new ink cartridge beforebanner printing is recommended.

Media Thickness Lever Paper Feed Flap

Black Color/Photo Method Limit Position

Plain paper Left Center Sheet feeder 10 mm Flat

High resolution paper Center Sheet feeder 10 mm Upright

Envelopes Right Sheet feeder 10 envelopes Flat

Transparencies Center Sheet feeder 50 sheets Upright

Back print film Center Sheet feeder 10 sheets Upright

Glossy photo paper Center Sheet feeder 1 sheet Upright

Banner paper Right Sheet feeder 1 sheet Upright

Fabric sheet Right Sheet feeder 1 sheet Upright

High gloss film Center Manual feed slot 1 sheet*1 Upright

T-shirt Transfer Right Sheet feeder 1 sheet Flat

TABLE 3-1 QUICK REFERENCE FOR SETTING

Banner Paper

Paper Delivery Flap

Output Tray Extention Guide

Figure 3-12 Banner Print

Part 3: Operating Instructions

3-11

7 Name of the Parts and Their FunctionsThe different parts of the printer and their functions are shown below.

BJC-4400

Paper Support

Cut Sheet FeederHolds a stack of approximately 100 cutsheets (64g/cm) for automatic feeding.

Paper GuideAligns the cut sheets in the cut sheet feederaccording to the paper size. A maximumpaper width of 241 mm (9.64 in.) can be set.Autofeeds banner paper and scanningdocument.

Control Panel

Front Cover

Paper Output Tray

Manual Feeding Slot

AC Adapter

Parallel Interface Connector

2

See the next page.

Open to install or remove the cartridge, setthe paper thickness lever, or remove the jamspaper.

Pulls out to receive the printed sheets.

Use for feeding mediamanually.

Installed on the rear of theprinter, the AC adaptersupplies power from the poweroutlet to the printer.Depending on the location ofpurchase, the power cable ispermanently attached to theAC adapter where as in someareas the power cable isdetachable.

Connects the printer to theparallel port on the computer.

Supports the stack of paper loaded in thecut sheet feeder.

Figure 3-13 Name of the Parts and Their Functions

4-1

BJC-4400 Part 4: Technical Reference

1. OVERVIEW

1.1 Printer Diagram

I/F

Logic Board

VH (+24.0VDC)

Vcc (+5VDC)

EEPROMDRAMControl/CG ROM

PrinterControllerMPU

Carriage MotorDriver

J2

J4 J5 J3

J1

Paper FeedMotor Driver

Carriage Motor

Paper Feed Motor

Carriage· BJ Cartridge/ Scanner Cartridge· Home Position Sensor

Figure 4-1 Printer Diagram

4. PRINTER ELECTRICAL SYSTEM

4.1 OverviewThe electrical system functions are handled by the logic section or power supply.The logic section converts the data from the interface into print signals or printer operation signals anddrives the BJ cartridge and motors while monitoring the status of the sensors.The power supply unit consists of a built in AC adapter which provides DC output to the logic board,motors and head etc.When DC input power from the AC adapter is being supplied, all of the hardwarecomponents are active except for the following which are inactive: All buttons except the POWER button,and the photo interrupter's sensor.

4-37

BJC-4400 Part 4: Technical Reference

Carriage Ribbon Cable

Carriage Motor

DRAM

POWER Switch

RESUME Switch

Printer Controller

CARTRIDGE Switch

MPU

Beeper

Paper Feed Motor

Control/CG ROM

Paper End Sensor

Pick-up Roller Sensor

AC Adapter

J3 J5

Carriage Motor Driver

Paper Feed Motor Driver

J1

J2

J4

Figure 4-27 Printer Electrical System

4.2 Logic Section4.2.1 Logic section block diagram

Part 4: Technical Reference

4-38

BJC-4400

Figure 4-29 Printer Block Diagram

MP

U

Par

alle

l Int

erfa

ce

22.11MHz

Prin

ter

Con

trol

ler

P60 to 63

P90 to 93

A0

to 2

3

AD

0 to

15

A0 to 23

Carriage Motor

ERRORPOWER

BeeperTransistor 8-Mbit

Con

trol

/CG

RO

M

AD0 to 15

PB0PB1 P71

P33

A/Data Bus

Address Bus

Paper Feed Motor

BZ

RESRES

CECS0

RESUMECARTRIDGE

Driver IC

Paper End SensorPS1

Pickup Roller SensorPS2

P72

P73

A0

to 1

8

D0

to 1

520MHz

P41

Reset IC

Home Position Sensor

P40

Transistor

PC2 to 3

AD

16 to

23

PM

PM

DRAM4-MbitMA0 to 9

MD0 to 15A0 to 9

DRAM Bus

DO 1 to 16

A0

to 1

5

MA0 to 9

MD0 to 15

AN0

Temp. Sensor(TH1)

P87

POWER Switch

P42P66

INT 0 to 3

EEPROMP35,36

PB0,PB1PB4,PB5

BJ Cartridge

• Sub-heater• Temperature control heater• Head temperature sensor• Rank resistor

Black BJ Cartridgeheater (128 nozzles)Color BJ Cartridge

heater (136 nozzles)

VHC,CVDC

AN1,3

Driver IC1 Kbit

PE4 to 7

MCH0ID0,1

HRESHCLOCK

HDATAHLATCH

BENB1 to 3HENB0 to 3

ODDENBEVENENB Scanner Cartridge

(Option)

• Scanner controller• CCD• LEDs (R,G,B)

HVHH VDD

SCLOCKSDATASLATCHCOM 0 to 3C.CHKC.CHA

P94

P95

Vcc (+5VDC)

VH (+24.0VDC)

Logic Board

J2

CartridgeControl

Bi-directionalInterface Control

Control ButtonsIndicators

Indicator Control Switch Detection

J4

MechanismControl

Carriage Motor

Temp.Sensor (TH1)

Pick-upRoller

Sensor

PaperEnd

SensorJ3

Purge Unit

Paper Feed Roller

MECHANISM SECTION

ELECTRICAL SECTION

SheetFeeder

J1

Paper Feed Motor

AC Adapter

J5

AC Inlet

BJ CartridgeHome Position SensorScanner Cartridge (Option)

LEDs(R,G,B)

CCD

ScannerControllerCarriage

Figure 4-28 Logic Board Block Diagram

4.2.2 Logic section components1) MPU (IC2)

The MPU contains a 16-bit CPU, 1K-bit RAM, 24-bit address bus port, 16-bit data bus port, steppingmotor controller, interrupter controller, A-D converter, I/O ports, and other components.

Built-in CPUThe 16-bit CPU operates in synchronization with a 20 MHz external clock input.

Address busThe 24-bit address bus port is connected to an 8 M-bit control/CG ROM and printer controller. Thecontroller/CG ROM synchronizes with the read signals output by the MPU and the 20 MHz clocksignal. The printer controller then selects the chip.

Data busLike the address bus, the 16-bit data bus port is connected to the 8 M-bit control/CG ROM and printercontroller.

Stepping motor controllerThe stepping motor controller outputs double 1-2 phase exciter drive signals to both the carriage motordriver and paper feed motor driver. The stepping motor controller can switch the the 4-step peak current value of both motor driver.

Interrupt controllerFor external interruption, the MPU has ports P80, 81, 84, 85, and 87 to receive the POWER buttonon/off switching, data reception, initial interrupt request, receive buffer-full warning, and other signals.The MPU executes interrupt processing for the respective signals.

A-D converterThe following analog signals are detected after they pass through the built-in A-D converter:AN0: The printer's internal temperature is detected by the thermistor on the logic board.AN1: The head temperature is detected by the head temperature sensor in the BJ cartridge.AN3: The head rank is detected by the rank resistor in the BJ cartridge.

I/O portThe setting status determined by the head ID, paper end sensor, home position sensor, and pick-uproller sensor are input through the input ports. The buzzer, BJ cartridge detection, head-driving voltagecontrol, and other signals are output from the output ports.

4-39

BJC-4400 Part 4: Technical Reference

2) Printer controller (IC3)The printer controller contains the interface controller, print head controller, buffer controller, DRAMcontroller, EEPROM controller, I/O ports, etc. It operates in synchronization with an external 22.11MHz external clock input.

Interface controllerThe interface controller receives from the computer, 8-bit parallel data which is synchronized with thedata strobe pulse (STROBE) through the BUSY/ACKNLG handshake. It also controls other interfacesignals.The data received through the interface is stored in the DRAM's receive buffer and analyzed by theMPU.When the printer initialization signal INIT is input through the interface to the printer controller, theprinter controller outputs a BUSY signal. Also, after INT1 is output to the MPU and print data in theprint buffer is printed, the printer is initialized.

DRAM controllerThe DRAM controller is a DRAM-specific bus separated from the MPU bus. It controls the 4 M bitDRAM's 10-bit address/16-bit data bus and also executes read/write control, RAS/CAS control, andrefresh control.

Buffer controllerThe buffer controller automatically writes the received data to the receive buffer on the DRAM,manages the receive buffer's remaining capacity, automatically reads the print buffer, and clears the dataafter it is read.

Print head controllerThe print head controller converts the print data read from the DRAM's print buffer from parallel toserial and sends it to the print head. At the same time, the printed dots are counted for the variablecontrol of the Heat-enable (H ENB) signal pulse width.The head-driving signals consist of the block enable signals (B ENB 1, 2, 3), odd/even enable signals(OddENB/EvenENB), and heat enable signals (H ENB 0, 1, 2, 3). The block enable signals andodd/even enable signals specify the block for time-shared drive. The heat enable signals control theeject heater's conduction time.

I/O portThe I/O ports sense the RESUME and CARTRIDGE buttons' input status. The output ports controlthe lighting of the POWER and ERROR indicators.

Part 4: Technical Reference

4-40

BJC-4400

4-41

BJC-4400 Part 4: Technical Reference

3) Control/CG ROM (IC4)The 8 M-bit control/CG ROM contains the program and bitmap font data for printer control.

4) DRAM (IC7)Controlled by the printer controller, the 4 M-bit DRAM is used as a receive buffer, download buffer,print buffer, and working area.

5) Reset IC (IC1)This IC detects the power voltage when turning on the power or instantaneous power failure.

6) EEPROM (IC6)Controlled by the printer controller, the 1 K-bit EEPROM (Electrically Erasable and ProgrammableROM) stores various function settings, the total count of printed sheets, and the total waste ink amount.

7) Carriage motor driver (IC12) / Paper feed motor driver (IC13)The carriage motor driver which is controlled by the MPU drives both the carriage motor and the paperfeed motor which in turn are controlled by an double 1-2 phase exciter with a fixed current bipolardrive. Upon receiving the switching signal from the MPU, the peak current value can be setindividually into 4 steps for phase A and B. By doing so, it ensures smooth operation of the motors.

Figure 4-30 Motor-Driving Circuit

Carriage Motor

Carriage MotorDriver

Vcc

INA

IOA

IIA

VsA

VrefA

LG

C/R

VrefB

VsB

IIB

IOB

INB

Vcc

NC

VssA

Out1

NC

RsA

NC

Out2

Out3

NC

RsB

NC

Out4

VssB

NC

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IC13

J4

1

2

3

4

A

A

B

B

RA310K,1/8W

+5V+5V

+5V

Q13FA1L4M

LFVREF

R73

360,

1/10

W

R72

10K

,1/1

6W

C60

0.1µ

,25W

C2030.1µ,50W

C202100µ,35W

02DZ2.0ZZD19

LFA

LF10ALF11ALF10B

VMLF11B

LFB

02DZ3.0ZZD18

C61

4700

p,50

V

VM-G

0.51,1/4WR70

0.51,1/4WR71

4312

5678

N1608Z300T01

N16

08Z

300T

01

1

2

3

FB102

FB

101

1

2

3

Vcc

INA

IOA

IIA

VsA

VrefA

LG

C/R

VrefB

VsB

IIB

IOB

INB

Vcc

NC

VssA

Out1

NC

RsA

NC

Out2

Out3

NC

RsB

NC

Out4

VssB

NC

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J3

1

3

RA410K,1/8W

+5V+5V

+5V

Q14FA1L4M

CRVREF

R77

360,

1/10

W

R76

10K

,1/1

6W

C62

0.1µ

,25W

C2060.1µ,50W

C205100µ,35W

02DZ2.0ZZD21

CRA

CR10ACR11ACR10B

VM

CR11B

CRB

02DZ3.0ZZD20

C63

4700

p,50

V

VM-G0.51,1/4W

R74

0.51,1/4WR75

1243

5678

A

B

A

B

2

4

IC12

Approx.6Ω/phase

Approx.6Ω/phase

Paper FeedMotor Driver

Paper FeedMotor

Part 5: MaintenanceBJC-4400

5-3

3. GREASE APPLICATION

Use the special tool to apply grease at the points shown below.

Rubbing Section of CarriageHook and Carriage:About 12 mg (FLOIL G311S)

Rubbing Section of Cam GearAbout 12mg (FLOIL G311S)

Rubbing Section of ClutchSpring and Clutch Gear:About 12 mg (FLOIL G311S)

Belt Holder:About 20mg (FLOIL G311S)

Paper Lifting Plate :About 6mg (FLOIL G311S)

Idler Roller Shaft Section:About 6mg (FLOIL G311S)

Rubbing Section of Frameand Paper Lifting Plate:About 6 mg (FLOIL G311S)

Both Sides of Carriage Guide Frame:About 80 to 120 mg (MOLYKOTE PG-641)

Rubbing Section of Carriage and Carriage Shaft:About 135 to 165 mg (MOLYKOTE PG-641)

Paper Feed Motor DriveTransmission:About 6mg (FLOIL G311S)

Figure 5-1 Grease Application Points

Part 5: Maintenance

5-30

BJC-4400

7. LOCATION & SIGNAL ASSIGNMENT

7.1 Logic Board

J5 (Ribbon cable connector)Pin No. Signal name IN/OUT Description

1 HVG ... GND for head drive voltage VH2 HVG ... GND for head drive voltage VH3 HT0 IN Driver signal for temperature control heater4 HT1 IN Driver signal for temperature control heater5 HVH OUT Head driver voltage6 HVH OUT Head driver voltage7 W-HT OUT Drive signal for temperature control heater8 INKS1 ... Not used9 TOP IN Detection signal for rank resistance10 DIODEA OUT Head temperature sensor (diode) anode11 ID0 IN Cartridge detection and recognition signal12 ID1 IN Cartridge detection and recognition signal13 INKS2 IN/OUT Cartridge detection and recognition signal14 HVss ... Head's logic drive voltage HVdd GND15 HENB0(Y) OUT Heat enable16 Even ENB OUT Even nozzle heat enable17 HENB1(M) OUT Heat enable18 HENB3(B) OUT Heat enable19 Odd ENB OUT Odd nozzle heat enable20 BENB1 OUT Block enable generation signal21 BENB2 OUT Decoder output signal22 BENB3 OUT23 HVdd OUT IC drive voltage (+5 V)24 HCLK OUT Print data transfer signal25 HLATCH OUT Timing signal for print data to latch26 HRES OUT Latch reset signal27 HENB2(C) OUT28 HDATA OUT Printing data29 DIODEK IN Head temperature sensor (diode) cathode30 HPO IN Home position sense High/ Low(sense)31 HPG ... Ground32 HPA OUT Photo LED drive

Figure 5-9 Logic Board

J5

1

4

32

1

31

2

1

5

1

5

J5

1

18

19

36

J1

J4 J2

J3

Part 5: MaintenanceBJC-4400

5-31

J3 (Carriage motor connector)Pin No. Signal name IN/OUT Description

1 CRA OUT Carriage motor phase A2 CRA OUT Carriage motor phase A3 CRB OUT Carriage motor phase B4 CRB OUT Carriage motor phase B

J4 (Paper feed motor connector)Pin No. Signal name IN/OUT Description

1 LFB OUT Paper feed motor phase B2 LFA OUT Paper feed motor phase A3 VM ... Common4 LFA OUT Paper feed motor phase A5 LFB OUT Paper feed motor phase B

J1 (DC power connector)Pin No. Signal name IN/OUT Description

1 Vcc IN +24 VDC3 GND ... Ground4 GND ... Ground5 VH IN +5 VDC

J2 (Interface connector)Pin No. Signal name IN/OUT Description

1 STROBE IN See Part 2 for details2 DATA1 IN3 DATA2 IN4 DATA3 IN5 DATA4 IN6 DATA5 IN7 DATA6 IN8 DATA7 IN9 DATA8 IN

10 ACKNLG OUT11 BUSY OUT12 P.E. OUT13 SELECT OUT14 AUTO FEED XT IN15 N.C ...16 INIT IN17 GND ...18 N.C ...19 STROBE-RET ...20 DATA1-RET ...21 DATA2-RET ...22 DATA3-RET ...23 DATA4-RET ...24 DATA5-RET ...25 DATA6-RET ...26 DATA7-RET ...27 DATA8-RET ...28 ACKNLG-RET ...29 BUSY-RET ...30 P.E.-RET ...31 INIT IN32 ERROR OUT33 GND ...34 N.C ...35 +5.0V ...36 SELEC IIN IN

Part 5: Maintenance

5-32

BJC-4400

8. CIRCUIT DIAGRAMS

8.1 Parts Layout8.1.1 Logic board

Figure 5-10 Logic Board (Top View)

Part 5: Maintenance

5-33

BJC-4400

Figure 5-11 Logic Board (Bottom View)

8 7 6 5 4 3 2 1

F

F

D

C

B

A

<03-F7><04-B6><03-A7><03-E8><03-E8>

<04-A6><02-C8><02-C8><02-C8>

LOGIC BOARD 01

P60

P61

P62

P63

P64

P65

P66

P67

P70

P71

P72

P73

P80

P81

P82

P83

P84

P85

P86

P87

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65

Vss

AG

ND

Vre

f

Vcc

AN

3

AN

2

AN

1

AN

0

P42

P41

P40

P37

P36

P35

P34

P33

HWRWRRD

A23

A22

A21

A20

A19

A18

A17

A16

Vss

AD15

AD14

AD13

AD12

AD11

AD10

AD9

AD8

AD7

AD6

AD5

AD4

Vss

X1

X2

EA

P90

P91

P92

P93

P94

P95

ALE

Vcc

AD

0

AD

1

AD

2

AD

3

NMI

WDO

RES

CLK

N1608Z800T01N1608Z800T01N1608Z800T01 23

22212019181716

151413121110987654

19

18

8

7

6

5

4

3

2

1

0

8

1

9

2

10

3

11

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

20

9

10

11

12

13

14

15

16

17

21

15

7

14

6

13

5

12

4

JP1

2125chipC108

1000p,50V

C1070.1µ,25V

C70.1µ,25V

C1050.1µ,25V

DTH

HRANK

C90.1µ,25V

C101000p,50V

<03-A8>

<03-B7>

+5V

C80.01µ,50V

R347K,1/16W,0.5%

+5V

<02-A8>

CP9

IFCSNCCVDCTOPC

BZCRACRBINT0INT2

INT1INT3

POWER

RES

C5100p,50V

C4100p,50V

C1150.1µ,25V

C1161000p,50V

C1233p,50V

C6100p,50V

C1061000p,50V

CP4

CP5

+5V

+5V

+5VR2

10K,1/16W

OscillatorX1

CSACv20.00MX040

OUT

GND

OUT1 3

MPU IC2

TMP96C141AF

QFP-80p

Control & CG ROM (8Mbit)

IC4DILB42P-8J

TemperatureSensor

0.1608+5V

A18

A17

A7

A6

A5

A4

A3

A2

A1

A0

CE

GND

OE

D0

D8

D1

D9

D2

D10

D3

D11

N.C.

A8

A9

A10

A11

A12

A13

A14

A15

A16

BYTE/VPP

GND

D15/A1-1

D7

D14

D6

D13

D5

D12

D4

VDD

24 A<23..0>

16 AD<15..0><02-A8>

CP

6

TH1

<05-C8><05-B8><03-E7><03-B7><03-D1><04-C8><03-D4><03-D4><02-C8><02-C8>

<02-C8>

<03-F4>

<03-C4>

<03-C4>

<03-C4>

<03-C4><03-A3><03-A3>

<03-F4><03-F4><03-F4>

<02-C8>

<04-D1>

<02-A8>

04-B1><02-C8,

0 1 2 3<02-A5> CS0

R4

FB1

+5V

N1608Z300T01

FB2

FB3

FB10

N1608Z800T01

FB4

CR11BCR10B

CR10ACR11A

LF10A

LF11ALF10B

LFALF11B

LFB

VHCPESHPSID1ID0

HWR

RRS

WRRD

ALE

R5

0.1608

CRVREF

LF VREFC3100p,50V

C2100p,50V

<03-B1>

Part 5: MaintenanceBJC-4400

5-35

8.2 Circuit Diagrams

8 7 6 5 4 3 2 1

F

F

D

C

B

A

47,1/16W

HENB1HENB0

HENB2HENB3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

LOGIC BOARD 02

Vdd

MD8

MA9

MA8

MA7

MA6

MA5

MA4

MA3

MA2

MA1

MA0

PE4

PE5

PE6

PE7

RXD

TXD

SCLK

Vdd

Vss

RES

TEST

PD0

PD1

PD2

PD3

HWR

WR

RD

A23

A22

A21

A20

A19

A18

A17

A16

AD15

Vdd

Vss

Vss

AD

14

AD

13

AD

12

AD

11

AD

10

AD

9

AD

8

Vss

ALE

AD

7

AD

6

AD

5

AD

4

AD

3

AD

2

AD

1

AD

0

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

Vss

A10

A11

A12

A13

A14

A15

CS

1

CS

0

Vss

Vss

Vss

Vss

MD

9

MD

10

MD

11

MD

12

MD

13

MD

14

MD

15 LW Vss

UW

CA

S

RA

S

OE

MD

7

MD

6

MD

5

MD

4

MD

3

MD

2

MD

1

MD

0

MC

HE

0

MC

HE

1

HD

RE

S

HLA

T

HC

LK

HD

ATA

BE

NB

3

Vss

BE

NB

2

BE

NB

1

EV

EN

B

OD

EN

B

WH

EA

T

X1

X0

Vss

Vss

Vdd

HEN0

HENB3

3 PC3

PC2

PC1

PC0

PB3

PB2

PB1

PB0

PA0

PA1

PA2

PA3

PA4

PE0

PE1

PE2

Vss

Vdd

PE3

STB

IFD0

IFD1

IFD2

IFD3

IFD4

IFD5

IFD6

IFD7

ACK

BUSY

PE

SLCT

AFXT

INIT

FAULT

SELIN

Vdd

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

Printer ControllerIC3

160

159

158

157

156

155

154

153

152

151

150

149

148

147

146

145

144

143

142

141

140

139

138

137

136

135

134

133

132

131

130

129

128

127

126

125

124

123

122

121

120

119

118

117

116

115

114

113

112

111

110

109

108

107

106

105

104

103

102

101

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

84

83

82

81+5V

CP15

CP14CP13CP12CP11CP10

CP

7

CP8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Vcc

DO1

DO2

DO3

DO4

Vcc

DO5

DO6

DO7

DO8

NC

LW

UW

RAS

A9

A0

A1

A2

A3

Vcc

CP17MLWMUWRAS

<02-F8><02-F8><02-F8>

ACKBUSY

PESLCTAFXT

INITFAULTSELIN

+5V

<05-D6><05-D6><05-D6><05-D6><05-D6><05-D6><05-D6><05-D6>

<03-F8><03-F8>

<03-C7><03-C7><04-C1><04-C1><04-E5><04-E5>

INKS2INKS1TSW1TSW0LED4LED0

CSTv22.11MX040

C1171000p,50V

+5V16

MD<15..0><02-F8>

10<02-E8>

MA<9..0 >C1181000p,50V

IFD<7..0>8

OUTGND

OUT1

2

3

BENB3BENB2BENB1

EvenENBOddENBW-HEAT

HDATAHCLOCKHLATCHHRESMCH0

16

24

16

MOERASCASMUWMLW

MD<15..0>

MA<9..0> 10

RDORDIRCSSK

RES

INT0INT1INT2INT3HWRWRRD

AD<15..0>

A<23..0>

<02-C1><02-C3><02-C1><02-C3><02-C3>

<02-E1>

<02-B1>

<05-D7><05-D7><05-D8><05-D8>

<01-C8,04-B1><01-D8><01-C8><01-C8><01-C8><01-E4><01-E4><01-E4>

<01-B1>

<01-E1><01-A5>

<01-C4> CS0

<05-F6>

IC7 UPD424170LE-80L

+5V

R7 1M,1/16W

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Vss

DO16D

DO15

DO14

DO13

Vss

DO12

DO11

DO10

DO9

NC

NC

CAS

OE

A8

A7

A6

A5

A4

Vss

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

15

14

13

12

11

10

9

8

8

7

6

5

4

CP21CP22

C110.1µ,25V

C1110.1µ,25V

C1100.1µ,25V

+5V

9 10 11 12 13 14 15 7 6 5 4 3 2 1 0

9

8

7

6

5

4

3

2

1

0

23

22

21

20

19

18

17

16

15

+5V

<03-E7><03-E7><03-E7>

<03-E8><03-E8><03-E7>

<03-F8><03-F8><03-F8><03-F8><03-F7>

<02-F8><02-F8>

C1130.1µ,25V

C1140.1µ,25V

C1120.1µ,25V

STB

CAS

MOE

<05-E6>

R6

(NC)

+5V

CP18

CP16

<03-F8><03-F8>

CP9

ALE

N1608Z301T01N1608Z301T01N1608Z301T01N1608Z301T01N1608Z301T01

FB5

FB9

FB6

FB8

FB7

C1090.1µ,25V

OscillatorX2

DRAM(4Mbit)IC7

9

0

1

2

3

Part 5: MaintenanceBJC-4400

5-36

LOGIC BOARD 03

8 7 6 5 4 3 2 1

F

F

D

C

B

A

2634P

VHC

W-HEAT

MCHO

CVDC

100K,1/16W

10K,1/10WR94

ZD11

NNCD27G

N1608Z121T01

N1608Z121T01

N1608Z121T01

FB71FB72

HVdd

HELN325-3(32P)

VH-G

R91

R90

100K,1/16W

R926.8K,1/10W

RA5100,1/8W

RA6100,1/8W

RA7100,1/8W

HCLOCKHDATAHLATCHHRES

HENB1HENB2HENB3HENB0

OddENBEvenENBID0ID1

BENB1BENB2BENB3

RA8100,1/8W

R95100,1/16W

R9610K,1/16W

R9747K,1/16W

R103R102

R100220K,1/16W100,1/16W

510,1/16W

R110180K,1/16W0.5X

R1121K,1/16W0.5X

R10733K,1/16W0.5X

R10812K,1/16W0.5X

R106100K,1/16W

0.5X

0.5X100,1/16WR109

0.5X100,1/16WR105

0.5X470K,1/16W

R104

R115390,1/16W

R11439K,1/16W10K,1/16W

R113

R1117.5K,1/16W

0.5X

33,1/16W 0.5X

100,1/16W +5V

+5V

+5V

+5V

+5V

R98

R99

220K,1/16WR101

Q12FAIA4M

HVdd

HVdd

INKS1INKS2

HRANK

+

_

TOPC

HPS

Vsen

DTH

R1186.8K,1/10W

2.7K,1/10WR93

25J325ZQ7

Q92581443Q

Q1025K1772

Q11FP1R4M

Q6FAIL4H

Q8FAIL4H

VH-G

VH

R11

710

K,1

/10W

C30

210

00K

,35W

C30

310

00µ,

35W

C30

50.

1µ,6

0W

C3040.1µ,25W

ZD16

ZD15

ZD14

ZD13

ZD12

ZD17

NNCD6.8G

NNCD6.8G

NNCD6.8G

NNCD6.8G

NNCD6.8G

NNCD6.8G

NJH2904MNJH2904M

0.1µ

,50V

C30

6

1

1

1

1

1

1

2

3

5

4

1

2

3

5

4

1

2

3

5

4

1

2

3

5

4

1

2

3

5

4

1

8

1

12

2

2

3

3

3 5

4

4

7

86

5

41

2

3

5

4

2

2

2

2

2

2

3

3

3

3

3

3

IC14+

_IC14

C700.01µ,25W

C1330.1µ,25W

C71

100µ

,50V

C72

100µ

,50V

5

6

2

7

3

4

1

23

14

28

25

26

24

17

27

18

15

21

22

20

16

19

13

9

10

29

32

30

31

8

12

11

HVHHVH

VHG

W-HT

HT0HT1

VHG

HVdd

HVss

HDATAHLATCHHRES

HCLOCK

HENB1HENB2HENB3

HENB0

BENB2BENB3

BENB1

EvenENBOddENB

INKS2

TOP

DIODEA

DIODEK

HPAHPO

HPG

INKS1

ID1ID0

FB870

1

2

3

<02-A6>

<01-F4>

<02-F4>

<02-F5>

<01-D8><01-F4>

<02-A6>

<02-E3><02-E3>

<01-E8>

<01-D8>

<01-F8>

<05-A7,04-B8,04-C8>

<01-F4>

<02-C7>

<01-A8><01-A8>

<01-A8><01-A8><01-A8><01-A8>

<01-D8>

<01-D8><01-D8><01-D8><01-E8>

<01-D8>

<01-D7>

<01-D8>

<01-F4><02-F4><02-F4>

<02-F4><02-F4><02-F4>

<02-E3><02-E3><02-D3><02-D3>

<02-F5><02-F5><02-F5><02-F5>

Vcc

INA

IOA

IIA

VsA

VrefA

LG

C/R

VrefB

VsB

IIB

IOB

INB

Vcc

NC

VssA

Out1

NC

RsA

NC

Out2

Out3

NC

RsB

NC

Out4

VssB

NC

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IC13MTD2007F

J4

1

2

3

4

A

A

B

B

RA310K,1/8W

+5V+5V

+5V

Q13FA1L4M

LFVREF

R73

360,

1/10

W

R72

10K

,1/1

6W

C60

0.1µ

,25W

C2030.1µ,50W

C202100µ,35W

02DZ2.0ZZD19

LFA

LF10ALF11ALF10B

VMLF11B

LFB

02DZ3.0ZZD18

C61

4700

p,50

V

VM-G

0.51,1/4WR70

0.51,1/4WR71

4312

5678

N1608Z300T01

N16

08Z

300T

01

R12PFU1

VH

1

2

3

FB102

FB

101

Vcc

INA

IOA

IIA

VsA

VrefA

LG

C/R

VrefB

VsB

IIB

IOB

INB

Vcc

NC

VssA

Out1

NC

RsA

NC

Out2

Out3

NC

RsB

NC

Out4

VssB

NC

28

27

26

25

24

23

22

21

20

19

18

17

16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

IC12MTD2007F

J3

J5

1

3

RA410K,1/8W

+5V+5V

+5V

Q14FA1L4M

CRVREF

R77

360,

1/10

W

R76

10K

,1/1

6W

C62

0.1µ

,25W

C2060.1µ,50W

C205100µ,35W

02DZ2.0ZZD21

CRA

CR10ACR11ACR10B

VM

CR11B

CRB

02DZ3.0ZZD20

C63

4700

p,50

V

VM-G0.51,1/4W

R74

0.51,1/4WR75

1243

5678

HPA

HPO

HPG

Home PsitionSensor

Paper Feed Motor

A

B

A

B

2

4

Approx.6 Ω/phase

Approx.6 Ω/phase

Part 5: MaintenanceBJC-4400

5-37

8 7 6 5 4 3 2 1

F

F

D

C

B

A

LOGIC BOARD 04

PKM13EPY-4000-TF01BZ1

BeeperR68

1.5K,1/10W

23

1

Q4FA1L4M

<01-D8>

<05-A7,04-C8,03-A7>

<05-A7,04-B8,03-A7>

BZ

100p,50V

2 4

1 3

PS1GP1SQ59C

R5239K,1/16W

R51390,1/10W

Vsen Paper End Sensor

<01-F4>PESR53

10K,1/16WC52

100p,50V

2 4

1 3

PS2EE-SX1055

R5539K,1/16W

R54390,1/10W

Vsen

R56

10K,1/16WC53

Pick-up Roller Sensor

<01-E4>RRS

Indicator

<02-D3>

<02-D3>

SKHVLH

SKHVLH

SKHVLH

10K,1/16W

10K,1/16W

10K,1/16W

R63 POWER<01-C8>

RESUMESW1

SW2

1

1

1 2

2

2

R64 TSW1<02-E3>

DOORSW0 R65 TSW0

<02-E3>

+5V+5V

R6110K,1/10W

R6010K,1/10W

C500.01µ,50V

R6210K,1/16W

+5V

Vout GNDVccMaRes

43

12

R11K,1/16W

C1030.1µ,25V

<01-C8,02-C8>

C1041000p,50V

+5V

+5V

IC7Reset

PST592EMT

Control Buttons

RES

R66 1 2

43

180,1/10WFA1A4MLED4

R67180,1/10WLED0

Q2

Q3

POWER

ERROR

note LED0 (green) LED4 (orange)

LED0

SEC2594C

+5V

POWER

+5V

FA1A4M

C510.01µ,50V

CARTRIDGE

C11000p,50V

Part 5: MaintenanceBJC-4400

5-38

8 7 6 5 4 3 2 1

F

F

D

C

B

A+24V-GND

LOGIC BOARD 05

2

3

4

5

6

7

8

9

<02-A2> <05-B7>

<02-C3>

8IFD<7..>

STBR19

RA11

R20

R294

R334

R324

1K,1/16W 100,1/16W

100,1/16W

390,1/8W

3.3K,1/8W

C21470p,50V

FB28

FB379

FB889

1

2

3456

789

1

1

1

2

3

4 5

6

7

8

CNIFJ2

D1D2D3D4D5D6D7D8

STB

2

3

4

5

6

7

8

9

<02-C3><02-C3><02-B3><02-B3><02-B3><02-B3><02-B3><02-B3>

BUSYACKPESLCTFAULTSELINAFXTINIT

BUSYACKPESLCTFAULTSELINAFXTINT

FB29

FB30

FB31

FB32

FB33

FB34

FB35

FB36

RA23.3K,1/8W

RA13.3K,1/8W1

2

3

4 5

6

7

8

RA910,1/8W

1

2

3

4 5

6

7

8

1

1

3

2

1

3

2

2

3

4

5

10,1/8W

RA1010,1/8W

10,1/16W1K,1/16W1.5K, 1/16W1K,1/16W

R25R26R27R28

11

10

12

13

32

36

143

31

15

34

18

35

19

20

21

22

23

24

25

26

27

28

29

30

33

16

17

FCN-684J036-L/U#8(36pin)

TESTGND

DOD1

NCVCCCSSK

EEPROM(1Kbit)IC6

S-29130AFJ

RCSSK

+5V

1

2

3

4

8

7

6

5RDORD1

C1210.1m,25V

C2033m,50V

<02-D8><02-D8>

<02-D8><02-D8>

+5V

Q1IFC

Vif

FN1A4P

R1047K,1/16W

R93.3K,1/16W

<01-D8>

+5V

Q5SNC

Vsen

FN1A4P

R5047K,1/16W

<01-D8>

<04-D8,04-C8>

<05-F3>

Vif

Vif

Vif

Vif

C3033p,50V

C2933p,50V

C2833p,50V

C2733p,50V

C2633p,50V

C2533p,50V

C2433p,50V

C2333p,50V

C220.01m,50V

+5V

FB74

FBM4532HS121

C301100m,35V

C2011000p, 50V

VH

CNVJ1

R301K,1/16W

R311K,1/16W

R1161.5K,1/16W

ZD1RD6,8SB3

FB209 N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

0.1A

N1608Z102T05

N1608Z102T05

N1608Z102T05

N1608Z102T05

0.1A

N1608Z102T05

N1608Z102T05

N1608Z102T05

FB219

FB229

FB239

FB249

FB259

FB269

FB279

STB-GNDD1-GND

+5V-GND

+5V-GND

+24V-GND

+24V

D2-GNDD3-GNDD4-GNDD5-GND

D6-GNDD7-GNDD8-GND

S-GNDS-GND

F-GND

ACK-GNDBUSY-GND

INT-GND

N.C.

N.C.

+5V

+5V

+5V-PULL UP

Part 5: MaintenanceBJC-4400

5-39