• Code: C8240
• Description: Document finisher rear clincher problem • During initialization, the rear clincher is not detected in the home position within 500 ms after the rear 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 rear clincher. • When the rear clincher is operated from the home position, the rear clincher home position sensor does not turn off within 500 ms.
• Causes: Loose connection of the rear clincher motor connector. Malfunction of the rear clincher motor. Malfunction of the rear clincher home position sensor. Loose connection of the rear clincher home position sensor connector. Defective finisher main PWB.
• Remedy: Loose connection of the rear clincher motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the rear clincher motor. Replace the rear clincher motor and check for correct operation. Malfunction of the rear clincher home position sensor. Replace the rear clincher home position sensor and check for correct operation. Loose connection of the rear 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: C8300
• Description: Document finisher centerfold unit communication problem • Communication with the centerfold unit is not possible although the connection is detected.
• Causes: Loose connection of the centerfold unit set switch connector. Defective centerfold unit set switch. Defective centerfold unit main PWB. Defective finisher main PWB.
• Remedy: Loose connection of the centerfold unit set switch connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit set switch. Replace the centerfold unit set switch and check for correct operation. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation. Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.

• Code: C8310
• Description: Document finisher centerfold unit side registration guide problem • During initialization, the front/rear side registration guides are not detected in the home position within 600 ms after the guide returns to the home position. • When the side registration guide is operated from the home position, the side registration guide home position sensor does not turn off within 100 ms.
• Causes: Loose connection of the side registration guide motor connector. Malfunction of the side registration guide motor. Malfunction of the side registration guide home position sensor. Loose connection of the side registration guide home position sensor connector. Defective centerfold unit main PWB.
• Remedy: Loose connection of the 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 side registration guide motor. Replace the side registration guide motor and check for correct operation. Malfunction of the side registration guide home position sensor. Replace the side registration guide home position sensor and check for correct operation. Loose connection of the 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 centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

• Code: C8320
• Description: Document finisher centerfold unit centering plate problem • During initialization, the centering plate is not detected in the home position when the centering plate returns to the home position.
• Causes: Loose connection of the centering plate motor connector. Malfunction of the centering plate motor. Malfunction of the centering plate home position sensor. Loose connection of the centering plate home position sensor connector. Defective centerfold unit main PWB.
• Remedy: Loose connection of the centering plate motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the centering plate motor. Replace the centering plate motor and check for correct operation. Malfunction of the centering plate home position sensor. Replace the centering plate home position sensor and check for correct operation. Loose connection of the centering plate home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

• Code: C8330
• Description: Document finisher centerfold blade problem • During initialization, the centerfold blade is not detected in the home position within a specified period of time.
• Causes: Loose connection of the centerfold blade motor connector. Malfunction of the centerfold blade motor. Malfunction of the centerfold blade home position sensor. Loose connection of the centerfold blade home position sensor connector. Defective centerfold unit main PWB.
• Remedy: Loose connection of the centerfold blade motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the centerfold blade motor. Replace the centerfold blade motor and check for correct operation. Malfunction of the centerfold blade home position sensor. Replace the centerfold blade home position sensor and check for correct operation. Loose connection of the centerfold blade home position sensor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective centerfold unit main PWB. Replace the centerfold unit main PWB and check for correct operation.

• Code: C9040
• Description: DP lift motor going up error • The pulse count raised to 10000 at lifting, however, the DP lift upper limit switch could not be turned on. After one time retry, the DP lift upper limit switch could not be turned on.me.
• Causes: Loose connection of the DP lift motor connector. Malfunction of the DP lift motor. Malfunction of the DP lift upper limit switch. Loose connection of the DP lift upper limit switch connector. Defective DP main PWB.
• Remedy: Loose connection of the DP lift motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the DP lift motor. Replace the DP lift motor and check for correct operation. Malfunction of the DP lift upper limit switch. Replace the DP lift upper limit switch and check for correct operation. Loose connection of the DP lift upper limit switch connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective DP main PWB. Replace the DP main PWB and check for correct operation.

• Code: C9050
• Description: DP lift motor going down error • The pulse count raised to 10000 at lifting, however, the DP lift lower limit switch could not be turned on. After one time retry, the DP lift lower limit switch could not be turned on.me.
• Causes: Loose connection of the DP lift motor connector. Malfunction of the DP lift motor. Malfunction of the DP lift lower limit switch. Loose connection of the DP lift lower limit switch connector. Defective DP main PWB.
• Remedy: Loose connection of the DP lift motor connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Malfunction of the DP lift motor. Replace the DP lift motor and check for correct operation. Malfunction of the DP lift lower limit switch. Replace the DP lift lower limit switch and check for correct operation. Loose connection of the DP lift lower limit switch connector. Reinsert the connector. Also check for continuity within the connector cable. If none, remedy or replace the cable. Defective DP main PWB. Replace the DP main PWB and check for correct operation.

• Code: C9060
• Description: DP EEPROM error • Read and write data does not match. • Data in the specified area of the backup memory does not match the specified values.
• Causes: Defective DP main PWB. Device damage of EEPROM.
• Remedy: Defective DP main PWB. Replace the DP main PWB and check for correct operation. Device damage of EEPROM. Contact the Service Administrative Division.