• Code: C8180
• Description: Finisher rear side registration motor problem (optional built-in finisher)
  When the rear-side registration home-position sensor is turned on during initialization, the sensor did not turn on while it has moved by 106 pulses. When the rear-side registration home-position sensor is turned off during initialization, the sensor did not turn on in 3 s.
• Causes: The rear side registration motor connector makes poor contact.
  Defective rear side registration motor.
  The rear side registration home position sensor connector makes poor contact.
  Defective rear side registration home position sensor.
  Defective finisher control PWB.
• Remedy: The rear side registration motor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective rear side registration motor. Replace rear side registration motor.
  The rear side registration home position sensor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective rear side registration home position sensor. Replace the rear side registration home position sensor.
  Defective finisher control PWB. Replace the finisher control PWB and check for correct operation.

• Code: C8190
• Description: Finisher trailing edge registration motor problem (optional built-in finisher)
  When the trailing edge registration home-position sensor is turned on during initialization, the sensor did not turn on while it has moved by 106 pulses. When the trailing edge registration home-position sensor is turned off during initialization, the sensor did not turn on in 3 s.
• Causes: The trailing edge registration motor connector makes poor contact.
  Defective trailing edge registration motor
  The trailing edge registration home position sensor connector makes poor contact.
  Defective trailing edge registration home position sensor.
  Defective finisher control PWB.
• Remedy: The trailing edge registration motor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective trailing edge registration motor. Replace trailing edge registration motor.
  The trailing edge registration home position sensor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective trailing edge registration home position sensor. Replace the trailing edge registration home position sensor.
  Defective finisher control PWB. Replace the finisher control PWB and check for correct operation.

• Code: C8210
• Description: Stapler problem (optional document finisher)
  Jam 82 is indicated.
  Finisher stapler problem (optional built-in finisher)
  The stapler home position sensor does not change state from nondetection to detection within 200 ms of the start of stapler motor counterclockwise (forward) rotation. During initialization, the stapler home position sensor does not change state from non-detection to detection within 600 ms of the start of stapler motor clockwise (reverse) rotation.
• Causes: The stapler connector makes poor contact.
  The stapler is blocked with a staple.
  The stapler is broken.
  Defective finisher main PWB.
  The stapler connector makes poor contact.
  The stapler is blocked with a staple.
  The stapler is broken.
  Defective finisher control PWB.
• Remedy: The stapler connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  The stapler is blocked with a staple. Remove the stapler cartridge, and check the cartridge and the stapling section of the stapler.
  The stapler is broken. Replace the stapler and check for correct operation.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.
  The stapler connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  The stapler is blocked with a staple. Remove the stapler cartridge, and check the cartridge and the stapling section of the stapler. The stapler is broken. Replace the front stapler and check for correct operation.
  Defective finisher control PWB. Replace the finisher control PWB and check for correct operation.

• Code: C8320
• Description: Adjustment motor 2 problem (optional document finisher)
  The adjustment sensor 2 does not turn on/off within specified time of the adjustment motor 2 turning on.
• Causes:
  The adjustment sensor 2, adjustment motor 2 connector makes poor contact.
  Defective adjustment sensor 2.
  Defective adjustment motor 2.
  Defective finisher main PWB.
• Remedy: The adjustment sensor 2, adjustment motor 2 connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective adjustment sensor 2. Replace the adjustment sensor 2.
  Defective adjustment motor 2. Replace the adjustment motor 2.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8330
• Description: Adjustment motor 1 problem (optional document finisher)
  The adjustment sensor 1 does not turn on/off within specified time of the adjustment motor 1 turning on.
• Causes: The adjustment sensor 1, adjustment motor 1 connector makes poor contact.
  Defective adjustment sensor 1
  Defective adjustment motor 1.
  Defective finisher main PWB.
• Remedy: The adjustment sensor 1, adjustment motor 1 connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective adjustment sensor 1. Replace the adjustment sensor 1.
  Defective adjustment motor 1. Replace the adjustment motor 1.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8350
• Description: Roller motor problem (optional document finisher)
  The roller sensor does not turn on/off within specified time of the roller motor turning on.
• Causes: The roller sensor, roller motor connector makes poor contact.
  Defective roller sensor.
  Defective roller motor.
  Defective finisher main PWB.
• Remedy: The roller sensor, roller motor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective roller sensor. Replace the roller sensor.
  Defective roller motor. Replace the roller motor.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8360
• Description: Slide motor problem (optional document finisher)
  The slide sensor does not turn on/off within specified time of the slide motor turning on.
• Causes: The slide sensor, slide motor connector makes poor contact.
  Defective slide sensor.
  Defective slide motor
  Defective finisher main PWB
• Remedy: The slide sensor, slide motor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective slide sensor. Replace the slide sensor.
  Defective slide motor. Replace the slide motor.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8440
• Description: Sensor adjusting problem (optional document finisher)
  The sensor cannot be adjusted within the specified range.
• Causes: The paper entry sensor connector makes poor contact.
  Defective paper entry sensor.
  The optical path of the paper entry sensor is blocked by foreign matter.
  Defective finisher main PWB.
• Remedy: The paper entry sensor connector makes poor contact. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable.
  Defective paper entry sensor. Replace the paper entry sensor and check for correct operation.
  The optical path of the paper entry sensor is blocked by foreign matter. Remove the foreign matter.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.