• Code: 0920
• Description: Fax file system error
  The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
• Causes: Defective FAX control PWB.
• Remedy: Defective FAX control PWB. Replace the FAX control PWB and check for correct operation.

• Code: 1010
• Description: Lift motor error
  After cassette 1 is inserted, the lift sensor does not turn on within 12 s. This error is detected four times successively.
• Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the lift motor. Defective lift motor. Defective engine PWB.
• Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair any problem that is found.
  Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Lift motor and engine PWB (YC1)
  Defective drive transmission system of the lift motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if necessary.
  Defective lift motor. Replace the lift motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 1020
• Description: PF lift motor 1 error (paper feeder)
  After cassette 2 is inserted, PF lift sensor 1 does not turn on within 12 s. This error is detected four times successively.
• Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor 1. Defective PF lift motor 1. Defective PF main PWB.
• Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair any problem that is found.
  Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF lift motor 1 and PF main PWB (YC4)
  Defective drive transmission system of the PF lift motor 1. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if necessary.
  Defective PF lift motor 1. Replace the PF lift motor 1.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).

• Code: 1030
• Description: PF lift motor 2 error (paper feeder)
  After cassette 3 is inserted, PF lift sensor 2 does not turn on within 12 s. This error is detected four times successively.
• Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor 2. Defective PF lift motor 2. Defective PF main PWB.
• Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
  Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF lift motor 2 and PF main PWB (YC7)
  Defective drive transmission system of the PF lift motor 2. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF lift motor 2. Replace the PF lift motor 2.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).

• Code: 1800
• Description: Paper feeder communication error
  A communication error is detected 10 times in succession.
• Causes: Improper installation of the paper feeder. Defective connector cable or poor contact of the connector. Defective engine PWB. Defective PF main PWB.
• Remedy: Improper installation of the paper feeder. Follow the installation instruction carefully again.
  Defective connector cable or poor contact of the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF main PWB (YC3) and engine PWB (YC20)
  Defective engine PWB. Replace the engine PWB and check for correct operation.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).

• Code: 1900
• Description: Paper feeder EEPROM error
  When writing the data, the write data and the read data is not continuously in agreement 4 times.
• Causes: Defective PF main PWB. Device damage of EEPROM.
• Remedy: Defective PF main PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: 1950
• Description: Transfer belt unit EEPROM error
  No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
• Causes: Defective transfer PWB. Device damage of EEPROM.
• Remedy: Defective transfer PWB. Replace the transfer PWB and check for correct operation.
  Device damage of EEPROM. Contact the Service Administrative Division.

• Code: 2101
• Description: Developer motor K steadystate error
  The rated speed signal detected the stability OFF continuously for 1 s after the developer motor K stabilizes.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Developer motor K and engine PWB (YC4)
  Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
  Defective motor. Replace the Developer motor K.
  Defective PWB. Replace the engine PWB and check for correct operation.