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Troubleshooting ＞ Self-diagnostic function
[CONFIDENTIAL]
1920 Paper feeder 3 EEPROM error
When writing the data, the write data
and the read data is not in
agreement.
Defective PF main
PWB.
Replace the PF main PWB.
Device damage of
EEPROM.
1930 Paper feeder 4 EEPROM error
When writing the data, the write data
and the read data is not in
agreement.
Defective PF main
PWB.
Replace the PF main PWB.
Device damage of
EEPROM.
2000 Main motor drive error
The main motor is not stabilized
within 2 s after driving starts.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Main motor and engine PWB (YC4)
Defective drive
transmission system of
the main motor.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears
and replace if any.
Defective main motor. Replace the main motor.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
2010 Main motor steady-state error
Stable OFF is detected for 2 s
continuously after main motor
stabilized.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Main motor and engine PWB (YC4)
Defective drive
transmission system of
the main motor.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears
and replace if any.
Defective main motor. Replace the main motor.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
2200 Drum motor drive error
(60/55/50 ppm model only)
The drum motor is not stabilized
within 2 s after driving starts.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Drum motor and engine PWB (YC4)
Defective drive
transmission system of
the drum motor.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears
and replace if any.
Defective drum motor. Replace the drum motor.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
2210 Drum motor steady-state error
(60/55/50 ppm model only)
Stable OFF is detected for 2 s
continuously after drum motor
stabilized.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Drum motor and engine PWB (YC4)
Defective drive
transmission system of
the drum motor.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears
and replace if any.
Defective drum motor. Replace the drum motor.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
Code Contents Causes Check procedures/
corrective measures
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