• Code: 0870
• Description: FAX PWB to Main/Engine PWB image data transfer error High-capacity data transfer between the FAX PWB and the Main/Engine PWB was not normally performed even if the data transfer was retried the specified times. *Only 4in1 models detect
• Remedy: FAX PWB 1. Unplug the power cord from the wall outlet, and reinstall the FAX controller PWB, and then plug the power cord and turn power on. 2. Check that the connection between KUIO connector on the Main/Engine PWB and Fax PWB is proper, and if not, re-connect them. 3. Replace the FAX PWB.
  Main/Engine PWB 1. Replace the Main/Engine PWB.

• Code: 0920
• Description: Fax file system error The backup data is not retained for file system abnormality of the flash memory of the FAX PWB. *Only 4in1 models detect
• Remedy: FAX PWB 1. Execute [Initializing] by U600. 2. Reinstall the FAX firmware. 3. Unplug the power cord from the wall outlet, and reinstall the FAX controller PWB, and then plug the power cord and turn power on. 4. Check that the connection between KUIO connector on the Main/Engine PWB and Fax PWB is proper, and if not, re-connect them. 5. Replace the FAX PWB.

• Code: 1010
• Description: Lift motor error (main unit) The following states have been detected 5 times in succession. The lift motor overcurrent is detected for 80 ms. After the cassette is installed, the upper limit detection sensor does not turn ON within 10 s. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. The upper limit detection sensor does not turn off within 5 s after descending control.
• Remedy: Bottom plate 1. Check to see if the bottom plate can move smoothly and repair or replace it if any problem is found.
  Defective connector cable or poor contact in the connector 1. Reinsert the connector. 2. If a wire is pinched by other component, or has defect conduction, replace it. Lift motor and Engine relay PWB (YC25) Engine relay PWB (YC1) and Main/Engine PWB (YC4) Llift sensor and Engine relay PWB
  Drive transmission system for the lift motor 1. Check if the gears rotate smoothly. If not, clean or grease the bushes and gears. 2. Check broken gears and replace if any.
  Lift motor Replace the lift motor.
  Lift sensor (upper limit detection sensor) 1. Check if the actuator of the lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the lift sensor
  Engine relay PWB 1. Replace the engine relay PWB.
  Main/Engine PWB 1. Replace the Main/Engine PWB.

• Code: 1020
• Description: PF lift motor error (PF1) The following states have been detected 5 times in succession. The lift motor overcurrent is detected for 200 ms. After the cassette is installed, the upper limit detection sensor does not turn ON within 10 s. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. The upper limit detection sensor does not turn off within 5 s after descending control.
• Remedy: Bottom plate Check to see if the bottom plate can move smoothly and repair or replace it if any problem is found.
  Defective connector cable or poor contact in the connector 1. Reinsert the connector. 2. If a wire is pinched by other component, or has defect conduction, replace it. PF lift motor and PF main PWB (YC7) Llift sensor and PF main PWB (YC7) PF main PWB and Engine relay PWB (YC19)
  Drive transmission system for the lift motor 1. Check if the gears rotate smoothly. If not, clean or grease the bushes and gears. 2. Check broken gears and replace if any.
  PF lift motor Replace the PF lift motor 1.
  PF lift sensor (upper limit detection sensor) 1. Check if the actuator of the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor.
  PF main PWB Replace the PF main PWB.
  Engine relay PWB Replace the engine relay PWB.

• Code: 1030
• Description: PF lift motor error (PF2) The following states have been detected 5 times in succession. The lift motor overcurrent is detected for 200 ms. After the cassette is installed, the upper limit detection sensor does not turn ON within 10 s. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. The upper limit detection sensor does not turn off within 5 s after descending control.
• Remedy: Bottom plate Check to see if the bottom plate can move smoothly and repair or replace it if any problem is found.
  Defective connector cable or poor contact in the connector 1. Reinsert the connector. 2. If a wire is pinched by other component, or has defect conduction, replace it. PF lift motor and PF main PWB (YC7) Llift sensor and PF main PWB (YC7) PF main PWB and Engine relay PWB (YC19)
  Drive transmission system for the lift motor 1. Check if the gears rotate smoothly. If not, clean or grease the bushes and gears. 2. Check broken gears and replace if any.
  PF lift motor Replace the PF lift motor 2.
  PF lift sensor (upper limit detection sensor) 1. Check if the actuator of the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor.
  PF main PWB Replace the PF main PWB.
  Engine relay PWB Replace the engine relay PWB.

• Code: 1040
• Description: PF lift motor error (PF3) The following states have been detected 5 times in succession. The lift motor overcurrent is detected for 200 ms. After the cassette is installed, the upper limit detection sensor does not turn ON within 10 s. During printing, after the upper limit detection sensor detects off, and 1 s after ascending control, and the upper limit detection sensor does not detect on. The upper limit detection sensor does not turn off within 5 s after descending control.
• Remedy: Bottom plate Check to see if the bottom plate can move smoothly and repair or replace it if any problem is found.
  Defective connector cable or poor contact in the connector 1. Reinsert the connector. 2. If a wire is pinched by other component, or has defect conduction, replace it. PF lift motor and PF main PWB (YC7) Llift sensor and PF main PWB (YC7) PF main PWB and Engine relay PWB (YC19)
  Drive transmission system for the lift motor 1. Check if the gears rotate smoothly. If not, clean or grease the bushes and gears. 2. Check broken gears and replace if any.
  PF lift motor Replace the PF lift motor.
  PF lift sensor (upper limit detection sensor) 1. Check if the actuator of the PF lift sensor can be turned ON/OFF to suit the rise of the cassette bottom plate. 2. Replace the PF lift sensor.
  PF main PWB Replace the PF main PWB.
  Engine relay PWB Replace the engine relay PWB.

• Code: 1810
• Description: Paper feeder communication error (first cassette) A communication error from paper feeder is detected 10 times in succession.
• Remedy: Paper feeder 1 Check the wiring connection status with the main unit, and if necessary, reconnecting it.
  PF1 main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF1 main PWB (YC3 and Engine relay PWB (YC19) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Reinstall the PF firmware. 4. Replace the PF main PWB. (Refer to the service manual for the paper feeder).
  Engine relay PWB 1. Replace the engine relay PWB.
  Main/Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the Main/Engine PWB.

• Code: 1820
• Description: Paper feeder communication error (second cassette) A communication error from paper feeder is detected 10 times in succession.
• Remedy: Paper feeder 2 Check the wiring connection status with PF1, and if necessary, reconnect it.
  PF2 main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF1 main PWB (YC3)and PF2 main PWB (YC5,4) 2. If the wiring is disconnected, short-circuited or has ground fault, replace the wire. 3. Reinstall the PF firmware. 4. Replace the PF2 main PWB.
  PF1 main PWB Replace the PF1 main PWB.