• Code: 0870
• Description: FAX control PWB to main PWB high capacity data transfer error
  High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times.
• Causes: Improper installation FAX control PWB. Defective PWB.
• Remedy: Improper installation FAX control PWB. Reinstall the FAX control PWB.
  Defective PWB. Replace the FAX control PWB or main PWB and check for correct operation.

• 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 PWB.
• Remedy: Replace the FAX control PWB and check for correct operation.
  

• Code: 0980
• Description: 24 V power down detect
  24V disconnection signal is detected for 1.5 seconds.
• Causes: Defective power source PWB.
• Remedy: Replace the power source PWB and check for correct operation.

• Code: 1010
• Description: Lift motor 1 error
  After cassette 1 is inserted, the lift sensor 1 does not turn on within 15 s. This error is detected five 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 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 1 and engine PWB (YC15)
  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 1.
  Defective PWB. Replace the engine PWB and check for correct operation.

• Code: 1020
• Description: Lift motor 2 error
  After cassette 2 is inserted, PF lift sensor 2 does not turn on within 15s. This error is detected five 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 lift motor. Defective 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 2 and Video PWB (YC8)
  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 lift motor. Replace the PF lift motor 2.
  Defective PWB. Replace the video PWB and check for correct operation.

• Code: 1030
• Description: PF lift motor 1 error (paper feeder)
  After cassette 3 is inserted, PF lift sensor 1 does not turn on within 15 s. This error is detected five 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 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 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 any.
  Defective PF lift motor 1. Replace the PF lift motor 1.
  Defective PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).

• Code: 1040
• Description: PF lift motor 2 error (paper feeder)
  After cassette 4 is inserted, PF lift sensor 2 does not turn on within 15 s. This error is detected five 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 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 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 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 (YC9)
  Defective PWB. Replace the engine PWB or the PF main PWB.