Description: Centerfold side registration motor 2 problem (optional centerfold unit of 3000-sheet document finisher) The home position is not detected when initial operation even if 1000 ms 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 YC7 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 1. Defective PWB. Replace the centerfold main PWB or finisher main PWB and check for correct operation.
Code: 8360
Description: Centerfold main motor problem (optional centerfold unit of 3000-sheet document finisher) The motor lock signal is detected above 1000 ms during driving the centerfold main motor.
Causes: Poor contact in the connector terminals. Defective centerfold main motor. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC12 on the centerfold main PWB and the connector of the centerfold main motor, and the continuity across the connector terminals. Repair or replace if necessary. Defective centerfold main motor. Replace the centerfold main motor. Defective PWB. Replace the centerfold main PWB or finisher main PWB and check for correct operation.
Code: 8440
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.
Code: 8460
Description: EEPROM problem (optional document finisher) Read and write data does not match 3 times in succession.
Causes: Defective EEPROM or finisher main PWB.
Remedy: Defective EEPROM or finisher main PWB. Replace the finisher main PWB and check for correct operation.
Code: 8500
Description: Mailbox communication error (optional mailbox of 3000-sheet document finisher) Communication with the mailbox is not possible although the connection is detected.
Causes: Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of the connector of the mailbox and the connector YC7 on the finisher main PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the mailbox main PWB or finisher main PWB and check for correct operation.
Code: 8510
Description: Mailbox drive motor problem (optional mailbox of 3000-sheet document finisher) The motor lock signal is detected above 500 ms during driving the mailbox drive motor.
Causes: Poor contact in the connector terminals. Defective mailbox drive motor. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector YC2 on the mailbox main PWB and the connector of the mailbox drive motor, and the continuity across the connector terminals. Repair or replace if necessary. Defective mailbox drive motor. Replace the mailbox drive motor. Defective PWB. Replace the mailbox main PWB or finisher main PWB and check for correct operation.