• Code: 503-0081-02
• Description: Error in communication between the Saddle Stitcher - Trimmer (Finisher-X1)
• Causes: Communication failed between the Finisher - Trimmer
• Remedy: [Related parts] - Harnesses from the Saddle Stitcher Controller PCB to the Trimmer Controller PCB - Trimmer Controller PCB (PCB1) - Saddle Stitcher Controller PCB (PBA201) - Finisher Controller PCB (PBA101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 503-0082-02
• Description: Error in communication between the Saddle Stitcher - Trimmer (Finisher-X1)
• Causes: Communication failed between the Finisher - Trimmer
• Remedy: [Related parts] - Harnesses from the Saddle Stitcher Controller PCB to the Trimmer Controller PCB - Trimmer Controller PCB(PCB1) - Saddle Stitcher Controller PCB (PBA201) - Finisher Controller PCB (PBA101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 505-0001-02
• Description: a. Finisher back-up RAM (EEPROM) error (Finisher-X1) b. Finisher data error (Finisher-V) c. Backup data error (failed data reading) (Document Insertion Unit-N1; Location Inf. 71)
• Causes: a. The checksum for the EEPROM data has an error. (The value written in EEPROM and the value extracted from EEPROM doesn't conform.) b. The data read from Finisher Controller PCB has an error. (The read data doesn't match with the written data.) c. Data failed to be read properly
• Remedy: a. STAPLE FIN-X1/BOOKLET FIN-X1 [Remedy] Check/replace the Finisher Controller PCB (PBA101). [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Action on parts replacement" in the Service Manual. b. STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Finisher Controller PCB (PCB101) [Remedy] Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual. c. INSERTION UNIT-N1 [Related parts] - Insertion Unit Controller PCB (PCB3) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] - When replacing the Insertion Unit Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 505-0003-02
• Description: Back-up RAM error (Document Insertion Unit-N1)
• Causes: The value written in EEPROM and the value extracted from EEPROM doesn't conform.
• Remedy: [Related parts] - Insertion Unit Controller PCB (PCB3) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] - When replacing the Insertion Unit Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 505-0004-02
• Description: a. Back-up RAM error (Multi Function Professional Puncher-A1) b. Puncher unit data error (Finisher-V)
• Causes: a. The checksum for the EEPROM data has an error. (The value written in EEPROM and the value extracted from EEPROM doesn't conform.) b. The data read from Puncher Controller PCB has an error. (The read data doesn't match with the written data.)
• Remedy: a. MULTI FUNCTION PROFESSIONAL PUNCHER-A1 [Related parts] - Multi Function Professional Puncher Controller PCB [Remedy] Check/replace Multi Function Professional Puncher Controller PCB. b. STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Puncher Controller PCB (PCB301) [Remedy] Replace the Puncher Controller PCB. [Reference] When replacing the Puncher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 505-0005-02
• Description: Error in the Paper Folding Unit backup RAM (Paper Folding Unit-J1)
• Causes: Read-write on EPROM is failed to detect.
• Remedy: [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Paper Folding Unit Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 509-0001-02
• Description: Finisher unsupported error (Finisher-X1)
• Causes: A wrong Finisher was connected.
• Remedy: [Related parts] - Finisher Controller PCB (PBA101) [Remedy] - Check/replace whether it is a supported Finisher. - Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustments> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 514-8001-02
• Description: a. Error in the Gripper Base Motor (Finisher-X1) b. Error in the Paper End Assist Motor (Finisher-V)
• Causes: a. The gripper does not come off the Gripper Base Rear Sensor when the Gripper Base Motor has been driven for 3 seconds. b. The assist belt does not come off the Paper End Assist HP Sensor when the Paper End Assist Motor has been driven for 1 second.
• Remedy: a. STAPLE FIN-X1/BOOKLET FIN-X1 [Related parts] - Harnesses from the Gripper Base Rear Sensor (S117) to the Finisher Controller PCB - Harnesses from the Gripper Base Motor (M116) to the Finisher Controller PCB - Gripper Base Rear Sensor (S117) - Gripper Base Motor (M116) - Finisher Controller PCB (PBA101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Action on parts replacement" in the Service Manual. b. STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Harnesses from the Paper End Assist HP Sensor (PS123) to the Finisher Controller PCB - Harnesses from the Paper End Assist Motor (M113) to the Finisher Controller PCB - Paper End Assist HP Sensor (PS123) - Paper End Assist Motor (M113) - Finisher Controller PCB (PCB101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.