• Code: 490-9999-04
• Description: Error due to the reader for different model
• Causes: Configuration mismatch between the Reader Controller software and the Reader/DADF was detected.
• Remedy: Execute automatic software update. (Install the system software with correct configuration.)

• Code: 501-0000-02
• Description: Communication error (Finisher-J1)
• Causes: A communication error between the host machine and the Finisher was detected.
• Remedy: [Related parts] - Harnesses and connectors from the DC Controller PCB to the Finisher Controller PCB - Finisher Controller PCB (PCB1) - DC Controller PCB [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the DC Controller PCB and the Finisher Controller PCB. 2. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Adjustment when Replacing the Parts" in the Service Manual. 3. Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 503-0021-02
• Description: Error in communication between the Finisher and Saddle Unit (Finisher-Y1)
• Causes: Communication error between the Finisher Controller PCB and the Saddle Stitcher Controller PCB was detected. (Command transmission error)
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Saddle Stitcher Controller PCB - Finisher Controller PCB (PCB101) - Saddle Stitcher Controller PCB (PCB201) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Finisher Controller PCB and the Saddle Stitcher Controller PCB. 2. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual. 3. Replace the Saddle Stitcher Controller PCB.

• Code: 503-0022-02
• Description: Error in communication between the Finisher and Saddle Unit (Finisher-Y1)
• Causes: Communication error between the Finisher Controller PCB and the Saddle Stitcher Controller PCB was detected. (Command reception error)
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Saddle Stitcher Controller PCB - Finisher Controller PCB (PCB101) - Saddle Stitcher Controller PCB (PCB201) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Finisher Controller PCB and the Saddle Stitcher Controller PCB. 2. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual. 3. Replace the Saddle Stitcher Controller PCB.

• Code: 503-0031-02
• Description: Error in communication between the Finisher and Puncher Unit (Finisher-J1/Y1)
• Causes: Communication error between the Finisher Controller PCB and the Puncher Controller PCB was detected. (Command transmission error)
• Remedy: a. INNER FIN-J1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Puncher Controller PCB - Finisher Controller PCB (PCB1) - Puncher Controller PCB (PCB1) b.STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Puncher Controller PCB - Finisher Controller PCB (PCB101) - Puncher Controller PCB (PCB301) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Finisher Controller PCB and the Puncher Controller PCB. 2. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual. 3. Replace the Puncher Controller PCB. [Reference] When replacing the Puncher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 503-0032-02
• Description: Error in communication between the Finisher and Puncher Unit (Finisher-J1/Y1)
• Causes: Communication error between the Finisher Controller PCB and the Puncher Controller PCB was detected. (Command reception error)
• Remedy: a. INNER FIN-J1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Puncher Controller PCB - Finisher Controller PCB (PCB1) - Puncher Controller PCB (PCB1) b.STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the Puncher Controller PCB - Finisher Controller PCB (PCB101) - Puncher Controller PCB (PCB301) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Finisher Controller PCB and the Puncher Controller PCB. 2. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual. 3. Replace the Puncher Controller PCB. [Reference] When replacing the Puncher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 503-0041-02
• Description: Error in communication between the Finisher and Buffer Pass (Finisher-Y1)
• Causes: Communication error between the Finisher Controller PCB and the Buffer Pass Controller PCB was detected. (Command transmission error)
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Buffer Pass Controller PCB to the Finisher Controller PCB - Buffer Pass Controller PCB (PCB401) - Finisher Controller PCB (PCB101) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Buffer Pass Controller PCB and the Finisher Controller PCB. 2. Replace the Buffer Pass Controller PCB. 3. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 503-0042-02
• Description: Error in communication between the Finisher and Buffer Pass (Finisher-Y1)
• Causes: Communication error between the Finisher Controller PCB and the Buffer Pass Controller PCB was detected. (Command reception error)
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses and connectors from the Buffer Pass Controller PCB to the Finisher Controller PCB - Buffer Pass Controller PCB (PCB401) - Finisher Controller PCB (PCB101) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check/replace the harness and connector between the Buffer Pass Controller PCB and the Finisher Controller PCB. 2. Replace the Buffer Pass Controller PCB. 3. Replace the Finisher Controller PCB. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Adjustment when Replacing the Parts" in the Service Manual.