• Code: C8010
• Description: Finisher paper conveying motor problem (3000-sheet finisher) • The paper conveying motor lockup signal is detected for 0.5 s or longer.
• Causes: Poor contact in the paper conveying motor connector terminals. The paper conveying motor malfunctions. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the paper conveying motor and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8030
• Description: Finisher paper conveying belt problem (3000-sheet finisher) • An on-to-off or off-to-on state change of the paper conveying belt home position sensor is not detected within 2 s of the paper conveying belt clutch turning on.
• Causes: The paper conveying belt is out of phase. The paper conveying belt clutch malfunctions. The paper conveying belt home position sensor malfunctions. The paper conveying belt home position sensor connector makes poor contact. The internal tray is incorrectly inserted.
• Remedy: Adjust the paper conveying belt so that it is in phase and check for correct operation. Replace the paper conveying belt clutch and check for correct operation. Replace the paper conveying belt home position sensor and check for correct operation. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Check whether the internal tray unit or front cover catches are damaged.

• Code: C8140
• Description: Finisher tray elevation motor problem (3000-sheet finisher) • The sort tray is not detected in the home position within 30 s of the start of the tray elevation motor rotation.
• Causes: Poor contact in the tray elevation motor connector terminals. The tray elevation motor malfunctions. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the tray elevation motor and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8170
• Description: Finisher front side registration motor problem (3000-sheet finisher or built-in finisher) • If the front side registration home position sensor is on in initialization, the sensor does not turn off within 570 ms of starting initialization. • If the front side registration home position sensor is off in initialization, the sensor does not turn on within 3180 ms of starting initialization.
• Causes: The front side registration motor connector makes poor contact. The front side registration motor malfunctions. The front side registration home position sensor connector makes poor contact. The front side registration home position sensor malfunctions. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the front side registration motor and check for correct operation. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the front side registration home position sensor and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8180
• Description: Finisher rear side registration motor problem (3000-sheet finisher or built-in finisher) • If the rear side registration home position sensor is on in initialization, the sensor does not turn off within 570 ms of starting initialization. • If the rear side registration home position sensor is off in initialization, the sensor does not turn on within 2880 ms of starting initialization.
• Causes: The rear side registration motor connector makes poor contact. The rear side registration motor malfunctions. The rear side registration home position sensor connector makes poor contact. The rear side registration home position sensor malfunctions. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the rear side registration motor and check for correct operation. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the rear side registration home position sensor and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8190
• Description: Finisher trailing edge registration motor problem (built-in finisher) • If the trailing edge registration home position sensor is on in initialization, the sensor does not turn off within 570 ms of starting initialization. • If the trailing edge registration home position sensor is off in initialization, the sensor does not turn on within 4550 ms of starting initialization.
• Causes: The trailing edge registration motor connector makes poor contact. The trailing edge registration motor malfunctions. The trailing edge registration home position sensor connector makes poor contact. The trailing edge registration home position sensor malfunctions. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the trailing edge registration motor and check for correct operation. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Replace the trailing edge registration home position sensor and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8210
• Description: Finisher front stapler problem • The front stapler home position sensor does not change state from non-detection to detection within 200 ms of the start of front stapler motor counterclockwise (forward) rotation. • During initialization, the front stapler home position sensor does not change state from non-detection to detection within 600 ms of the start of front stapler motor clockwise (reverse) rotation.
• Causes: The front stapler connector makes poor contact. The front stapler malfunctions. a) The front stapler is blocked with a staple. b) The front stapler is broken. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. a) Remove the front stapler cartridge, and check the cartridge and the stapling section of the stapler. b) Replace the front stapler and check for correct operation. Replace the finisher main PCB and check for correct operation.

• Code: C8220
• Description: Finisher rear stapler problem (3000sheet finisher) • The rear stapler home position sensor does not change state from non-detection to detection within 200 ms of the start of rear stapler motor counterclockwise (forward) rotation. • During initialization, the rear stapler home position sensor does not change state from non-detection to detection within 600 ms of the start of rear stapler motor clockwise (reverse) rotation.
• Causes: The rear stapler connector makes poor contact. The rear stapler malfunctions. a) The rear stapler is blocked with a staple. b) The rear stapler is broken. Defective finisher main PCB.
• Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. a) Remove the front stapler cartridge, and check the cartridge and the stapling section of the stapler. b) Replace the front stapler and check for correct operation. Replace the finisher main PCB and check for correct operation.