• Code: C8140
• Description: Document finisher main tray problem • When the main tray is not detected by the main tray upper limit detection sensor or the main tray load detection sensor within 20 s from the moment it starts ascending. • During main tray descent, the main tray upper limit detection sensor or the main tray load detection sensor does not turn off within 500 ms after it turns on. • During main tray ascent, the main tray upper limit detection sensor or the main tray load detection sensor stays on for more than 2 s.
• Causes: Loose connection of the main tray elevation motor connector. Malfunction of the main tray elevation motor. Malfunction of the main tray upper limit detection sensor. Loose connection of the main tray upper limit detection sensor connector. Malfunction of the main tray load detection sensor.Loose connection of the main tray load detection sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the main tray elevation motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the main tray elevation motor. Replace the main tray elevation motor and check for correct operation. Malfunction of the main tray upper limit detection sensor. Replace the main tray upper limit detection sensor and check for correct operation. Loose connection of the main tray upper limit detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the main tray load detection sensor. Replace the main tray load detection sensor and check for correct operation. Loose connection of the main tray load detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8150
• Description: Document finisher multi job tray problem • When the multi job tray is not detected by the multi job tray upper limit detection sensor within 20 s from the moment it starts ascending. • During multi job tray descent, the multi job tray upper limit detection sensor does not turn off within 500 ms after it turns on.
• Causes: Loose connection of the multi job tray elevation motor connector. Malfunction of the multi job tray elevation motor. Malfunction of the multi job tray upper limit detection sensor. Loose connection of the multi job tray upper limit detection sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the multi job tray elevation motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the multi job tray elevation motor. Replace the multi job tray elevation motor and check for correct operation. Malfunction of the multi job tray upper limit detection sensor. Replace the multi job tray upper limit detection sensor and check for correct operation. Loose connection of the multi job tray upper limit detection sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8170
• Description: Document finisher front upper side registration guide problem • During initialization, the front upper side registration guide is not detected in the home position within 3 s after the guide returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front upper side registration guide. • When the front upper side registration guide is operated from the home position, the front upper side registration home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the front upper side registration guide motor connector. Malfunction of the front upper side registration guide motor. Malfunction of the front upper side registration guide home position sensor. Loose connection of the front upper side registration guide home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the front upper side registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front upper side registration guide motor. Replace the front upper side registration guide motor and check for correct operation. Malfunction of the front upper side registration guide home position sensor. Replace the front upper side registration guide home position sensor and check for correct operation. Loose connection of the front upper side registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8180
• Description: Document finisher rear upper side registration guide problem • During initialization, the rear upper side registration guide is not detected in the home position within 3 s after the guide returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the rear upper side registration guide. • When the rear upper side registration guide is operated from the home position, the rear upper side registration home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the rear upper side registration guide motor connector. Malfunction of the rear upper side registration guide motor. Malfunction of the rear upper side registration guide home position sensor. Loose connection of the rear upper side registration guide home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the rear upper side registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear upper side registration guide motor. Replace the rear upper side registration guide motor and check for correct operation. Malfunction of the rear upper side registration guide home position sensor. Replace the rear upper side registration guide home position sensor and check for correct operation. Loose connection of the rear upper side registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8190
• Description: Document finisher lower side registration guide problem • During initialization, the front/rear lower side registration guides are not detected in the home position within 3 s after the guide returns to the home position. JAM87 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the lower side registration guide. • When the lower side registration guide is operated from the home position, the lower side registration home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the lower side registration guide motor connector. Malfunction of the lower side registration guide motor. Malfunction of the lower side registration guide home position sensor. Loose connection of the lower side registration guide home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the lower side registration guide motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the lower side registration guide motor. Replace the lower side registration guide motor and check for correct operation. Malfunction of the lower side registration guide home position sensor. Replace the lower side registration guide home position sensor and check for correct operation. Loose connection of the lower side registration guide home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8210
• Description: Document finisher front stapler problem • During initialization, the front stapler is not detected in the home position within 500 ms after the front stapler returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front stapler. • When the front stapler is operated from the home position, the front stapler home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the front stapler motor connector. Malfunction of the front stapler motor. Malfunction of the front stapler home position sensor. Loose connection of the front stapler home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the front stapler motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front stapler motor. Replace the front stapler motor and check for correct operation. Malfunction of the front stapler home position sensor. Replace the front stapler home position sensor and check for correct operation. Loose connection of the front stapler home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8220
• Description: Document finisher front clincher problem • During initialization, the front clincher is not detected in the home position within 500 ms after the front clincher returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the front clincher. • When the front clincher is operated from the home position, the front clincher home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the front clincher motor connector. Malfunction of the front clincher motor. Malfunction of the front clincher home position sensor. Loose connection of the front clincher home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the front clincher motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the front clincher motor. Replace the front clincher motor and check for correct operation. Malfunction of the front clincher home position sensor. Replace the front clincher home position sensor and check for correct operation. Loose connection of the front clincher home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8230
• Description: Document finisher rear stapler problem • During initialization, the rear stapler is not detected in the home position within 500 ms after the rear stapler returns to the home position. JAM90 is indicated the first time this problem occurs. If the problem occurs after initialization when the front cover is opened and closed, the problem is in the rear stapler. • When the rear stapler is operated from the home position, the rear stapler home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the rear stapler motor connector. Malfunction of the rear stapler motor. Malfunction of the rear stapler home position sensor. Loose connection of the rear stapler home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the rear stapler motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear stapler motor. Replace the rear stapler motor and check for correct operation. Malfunction of the rear stapler home position sensor. Replace the rear stapler home position sensor and check for correct operation. Loose connection of the rear stapler home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.