• Code: 503-0022-02
• Description: a. Error in communication between the Finisher - Insertion Unit (Finisher-X1/Document Insertion Unit-N1) b. Error in communication between the Finisher and Saddle Unit (Finisher-V)
• Causes: a. Communication failed between Finisher - Insertion Unit b. Communication error between the Finisher Controller PCB and the Saddle Stitcher Controller PCB was detected. (Command reception error)
• Remedy: a. STAPLE FIN-X1/BOOKLET FIN-X1 [Related parts] - Harnesses from the Finisher Controller PCB to the Insertion Unit Controller PCB - Insertion Unit Controller PCB(PCB3) - 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. - When replacing the Insertion Unit Controller PCB, refer to "Adjustment> Adjustment at Time of Parts Replacement" in the Service Manual. b. STAPLE FIN-V/BOOKLET FIN-V [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-V)
• Causes: Communication error between the Finisher Controller PCB and the Puncher Controller PCB was detected. (Command transmission error)
• Remedy: STAPLE FIN-V/BOOKLET FIN-V [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-V)
• Causes: Communication error between the Finisher Controller PCB and the Puncher Controller PCB was detected. (Command reception error)
• Remedy: STAPLE FIN-V/BOOKLET FIN-V [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: 503-0051-02
• Description: Error in communication between the Finisher and Document Insertion/Folding Unit (Finisher-V)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Hand-shake error)
• Remedy: STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Harnesses from the Finisher Controller PCB to the Inserter/folder Controller PCB - Finisher Controller PCB (PCB101) - Inserter/folder Controller PCB [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. - When replacing the Inserter/folder Controller PCB, refer to "Adjustment> Adjustment at Time of Parts Replacement" in the Service Manual.

• Code: 503-0052-02
• Description: Error in communication between the Finisher and Document Insertion/Folding Unit (Finisher-V)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Command transmission error)
• Remedy: STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Harnesses from the Finisher Controller PCB to the Inserter/folder Controller PCB - Finisher Controller PCB (PCB101) - Inserter/folder Controller PCB [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. - When replacing the Inserter/folder Controller PCB, refer to "Adjustment> Adjustment at Time of Parts Replacement" in the Service Manual.

• Code: 503-0053-02
• Description: Error in communication between the Finisher and Document Insertion/Folding Unit (Finisher-V)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Time out error)
• Remedy: STAPLE FIN-V/BOOKLET FIN-V [Related parts] - Harnesses from the Finisher Controller PCB to the Inserter/folder Controller PCB - Finisher Controller PCB (PCB101) - Inserter/folder Controller PCB [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. - When replacing the Inserter/folder Controller PCB, refer to "Adjustment> Adjustment at Time of Parts Replacement" in the Service Manual.

• Code: 503-0061-02
• Description: a. Error in communication between the Finisher - Paper Folding Unit (Paper Folding Unit- J1/Finisher-X1) b. Error in communication between the IC of Finisher Controller PCB (Finisher-V)
• Causes: a. Communication failed between the Finisher - Paper Folding Unit b. Communication error between the IC of Finisher Controller PCB was detected. (Command transmission error)
• Remedy: a. STAPLE FIN-X1/BOOKLET FIN-X1 [Related parts] - Harnesses from the Finisher Controller PCB to the Paper Folding Unit Controller PCB - Finisher Controller PCB (PBA101) - Paper Folding Unit Controller PCB (PCB1) [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. - When replacing the Paper Folding Unit Controller PCB, refer to "Adjustment> Adjustment at Time of 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.

• Code: 503-0062-02
• Description: a. Error in communication between the Finisher - Paper Folding Unit (Paper Folding Unit- J1/Finisher-X1) b. Error in communication between the IC of Finisher Controller PCB (Finisher-V)
• Causes: a. Communication failed between the Finisher - Paper Folding Unit b. Communication error between the IC of Finisher Controller PCB was detected. (Command reception error)
• Remedy: a. STAPLE FIN-X1/BOOKLET FIN-X1 [Related parts] - Harnesses from the Finisher Controller PCB to the Paper Folding Unit Controller PCB - Finisher Controller PCB (PBA101) - Paper Folding Unit Controller PCB (PCB1) [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. - When replacing the Paper Folding Unit Controller PCB, refer to "Adjustment> Adjustment at Time of 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.