• Code: C8180
• Description: Side registration motor 2 problem (optional 3000-sheet document finisher)
  When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 3 s passed. Jam 88 is indicated.
• Causes: Poor contact in the connector terminals.
  Defective side registration motor 2.
  Defective PWB
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC8 on the inner tray PWB and the connector of side registration motor 2, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective side registration motor 2. Replace side registration motor 2.
  Defective PWB. Replace the inner tray PWB or finisher main PWB and check for correct operation.

• Code: C8210
• Description: Stapler moving motor 1 error (optional 3000-sheet document finisher) When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 1.5 s passed.
  Stapler problem (optional document finisher) Jam 82 is indicated.
• Causes: Poor contact in the connector terminals.
  Defective stapler moving motor 1.
  Defective finisher main PWB.
  The stapler connector makes poor contact.
  The stapler is blocked with a staple.
  The stapler is broken.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC9 on the finisher main PWB and the connector of stapler moving motor 1, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective stapler moving motor 1. Replace stapler moving motor 1.
  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 stapler and check for correct operation.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8220
• Description: Stapler moving motor 2 error (optional 3000-sheet document finisher)
  When operation returned to a home position is performed at the time of initial operation and a home position is not detected even if 3.5 s passed.
• Causes: Poor contact in the connector terminals.
  Defective stapler moving motor 2.
  Defective staple relay PWB.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the finisher main PWB and the connector of staple relay PWB and stapler moving motor 2, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective stapler moving motor 2. Replace stapler moving motor 2.
  Defective staple relay PWB. Replace the staple relay PWB and check for correct operation.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8230
• Description: Stapler motor problem (optional 3000sheet document finisher)
  Jam 82 is indicated.
• Causes: Poor contact in the connector terminals.
  Defective stapler motor.
  Defective staple relay PWB.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC10 on the finisher main PWB and the connector of staple relay PWB and stapler motor, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective stapler motor. Replace the stapler motor.
  Defective staple relay PWB. Replace the staple relay PWB and check for correct operation.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8300
• Description: Center-folding unit communication error (optional center-folding unit of 3000-sheet document finisher)
  Communication with the center-folding unit is not possible although the connection is detected.
• Causes: Poor contact in the connector terminals.
  Defective centerfold set switch.
  Defective centerfold main PWB.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC5 and YC20 on the finisher main PWB and the connector YC1 and YC2 on the centerfold main PWB, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective centerfold set switch. Replace the centerfold set switch.
  Defective centerfold main PWB. Replace the centerfold main PWB and check for correct operation.
  Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8310
• Description: Centerfold side registration motor 2 problem (optional center-folding unit of 3000-sheet document finisher)
  The home position is not detected when initial operation even if 1 s passed.
• Causes: Poor contact in the connector terminals.
  Defective centerfold side registration motor 2.
  Defective PWB
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC6 on the centerfold main PWB and the connector of centerfold side registration motor 2, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective centerfold side registration motor 2. Replace centerfold side registration motor 2.
  Defective PWB. Replace the centerfold main PWB or finisher main PWB and check for correct operation.

• Code: C8320
• Description: Centerfold paper conveying belt motor problem (optional center-folding unit of 3000-sheet document finisher)
  The home position is not detected when initial operation even if 2.5 s passed.
  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: Poor contact in the connector terminals.
  Defective centerfold paper conveying belt motor 1/2.
  Defective PWB
  The adjustment sensor 2, adjustment motor 2 connector makes poor contact.
  Defective adjustment sensor 2.
  Defective adjustment motor 2.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC6, YC7 on the centerfold main PWB and the connector of centerfold paper conveying belt motor 1/2, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective centerfold paper conveying belt motor 1/2. Replace centerfold paper conveying belt motor 1/2.
  Defective PWB. Replace the centerfold main PWB or finisher main PWB and check for correct operation.
  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: Blade motor problem (optional center-folding unit of 3000-sheet document finisher)
  The home position is not detected when initial operation even if 1.5 s passed
  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: Poor contact in the connector terminals.
  Defective blade motor.
  Defective PWB
  The adjustment sensor 1, adjustment motor 1 connector makes poor contact.
  Defective adjustment sensor 1.
  Defective adjustment motor 1.
  Defective finisher main PWB.
• Remedy: Poor contact in the connector terminals. Check the connection of connector YC8 on the centerfold main PWB and the connector of the blade motor, and the continuity across the connector terminals. Repair or replace if necessary.
  Defective blade motor. Replace the blade motor.
  Defective PWB. Replace the centerfold main PWB or finisher main PWB and check for correct operation.
  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.