Code Description Causes

0030FAX control PWB system errorProcessing with the fax software was disabled due to a software problem.

FAX control PWB

0060Main/Engine PWB mismatchUnmatching engine and engine sub boards. Defective engine subboard

Main/Engine PWB

0100 Backup memory device errorEEPROM (Main/Engine PWB)

0120MAC address data errorFor data in which the MAC address is invalid.

EEPROM (Main/Engine PWB)

0150

Backup memory read/write error (main/engine PWB)No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated 5 times successively. Mismatch of reading data from 2 locations occurs 8 times successively. Mismatch between writing data and reading data occurs 8 times successively.

EEPROM (Main/Engine PWB)

0160Backup memory data error (main/engine PWB)Reading data from EEPROM is abnormal.

EEPROM

0170Billing counting errorThe values on the main circuit PWB and on the engine do not match for any of charging counter, life counter, and scanner counter.

EEPROM. Main/Engine PWB.

0180Machine number mismatchMachine number of main/ engine does not match.

Data damage of EEPROM.

0190 Backup memory device error (main/engine PWB) Main/Engine PWB

0630DMA errorDMA transmission of image data does not complete within the specified period of time.

Main/Engine PWB

0800Image processing errorJAM010X is detected twice.

Main/Engine PWB

0840

Faults of RTC(“Time for maintenance T” is displayed) [Check at power up] The RTC setting has reverted to a previous state. The machine has not been powered for 5 years (compared to the settings stored periodically in the EEPROM). The RTC setting is older than 00:01 on January 1, 2000. [Checked periodically (in 5- minute interval) after powered up] The RTC setting has reverted to a state older than the last time it was checked. 10 minutes have been passed since the previous check.

Battery ( main PWB). Main/Engine PWB.

1810Paper feeder unit 2 communication errorA communication error from paper feeder is detected 10 times in succession.

Paper feeder. PF main PWB. Main/Engine PWB.

1820Paper feeder unit 3 communication errorA communication error from paper feeder is detected 10 times in succession.

Paper feeder. PF main PWB. Main/Engine PWB

1830Paper feeder unit 4 communication errorA communication error from paper feeder is detected 10 times in succession.

Paper feeder. PF main PWB. Main/Engine PWB.

Code Description Causes

1900Paper feeder unit 2 EEPROM errorWhen writing the data, read and write data does not match 4 times in succession.

PF main PWB (EEPROM)

1910Paper feeder unit 3 EEPROM errorWhen writing the data, read and write data does not match 4 times in succession.

PF main PWB (EEPROM)

1920Paper feeder unit 4 EEPROM errorWhen writing the data, read and write data does not match 4 times in succession.

PF main PWB (EEPROM)

2000Main motor steady-state errorAfter main motor is stabilized, the ready signal is not ready for 1 s continuously.

Main motor. Main/Engine PWB.

2010Main motor startup errorMain motor is not stabilized within 3 s since the motor is activated.

Main motor. Main/Engine PWB.

3100Scanner carriage errorThe home position is not correct when the power is turned on, at the end of a reading process of the table and document processor.

Scanner motor. Home position sensor. Main/Engine PWB.

3200Exposure lamp errorWhen a lamp is made to turn on one side at a time, the white standard data at the time of an initial is lower than a rated value.

CIS. Main/Engine PWB.

3210CIS lamp errorWhen a lamp is made both to turn on, the white standard data at the time of an initial is lower than a rated value

CIS. Main/Engine PWB.

3300Optical system (AGC) error One of the gains is FF or 00 during the CIS lamp AGC is being processed.

CIS. Main/Engine PWB.

3500 Communication error between scanner and ASIC An error code is detected.CIS. Main/Engine PWB.

3600 Scanner sequence error Main/Engine PWB.

4000Polygon motor steady-state errorAfter Polygon motor is stabilized, the ready signal is at the H level for 1 s continuously.

Polygon motor (LSU). Main/Engine PWB.

4010Polygon motor synchronization errorAfter polygon motor is driven, the polygon motor speed won’t stabilize within 10 s.

Polygon motor (LSU). Main/Engine PWB.

4200BD steady-state errorThe BD signal is not detected.

APC PWB (LSU). Main/Engine PWB.

6000Broken fuser heater wire (main)When the fuser thermistor 1 reaches primary stable temperature after a warm-up start and the fuser thermistor 2 is less than 90 ° C/194 °F.

Fuser unit. Main/Engine PWB. Power source PWB. Fuser heater.

Code Description Causes

6020Abnormally high fuser thermistor 2 temperature (Center)Fuser thermistor 2 detects a temperature higher than 210°C/410°F.

Fuser unit. Main/Engine PWB.

6030

Broken fuser thermistor 2 wire (Center)Input from fuser thermistor 2 is 1012 or more (A/D value) continuously for 5 s. Input from fuser thermistor 2 is1012 (A/D value) or more whenthe temperature at the fuser thermistor 1 is 70°C/ 158°F or more.

Fuser unit. Main/Engine PWB. Fuser thermistor 2. Fuser thermostat (triggered)

6200

Broken fuser heater wire (Sub)Fuser thermistor 1 does not reach primary stable temperature even after 30 s during warming up. Fuser thermistor 1 detects a temperature lower than 100°C/212°F for 60 s during ready.

Fuser unit. Main/Engine PWB. Fuser thermistor 1

6220Abnormally high fuser thermistor 1 temperature (Edge)Fuser thermistor 1 detects a temperature higher than 230°C/446°F.

Fuser unit. Main/Engine PWB.

6230

Broken fuser thermistor 1 wire (Edge)Input from fuser thermistor 1 is 1012 or more (A/D value) continuously for 5 s. Input from fuser thermistor 1 is1012 (A/D value) or more whenthe temperature at the fuser thermistor 2 is 70°C/ 158°F or more.

Fuser unit. Main/Engine PWB.

6400Zero-cross signal errorWhile fuser heater ON/OFF control is performed, the zerocross signal is not input within 3 s.

Fuser unit.

7100Toner sensor errorSensor output value of 8 or less.

Toner sensor. Toner motor. Main/Engine PWB.

7800Broken temperature sensor wireInput from temperature sensor is 0.3 V (A/D value) or less

Outer temperature sensor. Main/Engine PWB.

7810 Short-circuited temperature sensor wire Outer temperature sensor.

Input from temperature sensor is 0.3 V (A/D value) or more Main/Engine PWB.

7900Drum EEPROM errorNo response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively.

DR PWB. Main/Engine PWB.

9000Document processor communication errorA communication error from document processor is detected 10 times in succession.

DP main PWB.

DP EEPROM error

Code Description Causes

F050 Print engine ROM checksum error Main/Engine PWB