• Code: 503-0051-02
• Description: Error in communication between the Finisher and Document Insertion/Folding Unit (Finisher-V1)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Hand-shake error)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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-V1)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Command transmission error)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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-V1)
• Causes: Communication error between the Finisher and the Document Insertion/Folding Unit was detected. (Time out error)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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: Error in communication between the IC of Finisher Controller PCB (Finisher-V1)
• Causes: Communication error between the IC of Finisher Controller PCB was detected. (Command transmission error)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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: Error in communication between the IC of Finisher Controller PCB (Finisher-V1)
• Causes: Communication error between the IC of Finisher Controller PCB was detected. (Command reception error)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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: 505-0001-02
• Description: Finisher data error (Finisher-V1)
• Causes: The data read from Finisher Controller PCB has an error. (The read data doesn't match with the written data.)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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: 505-0003-02
• Description: Back-up RAM error (Document Insertion/Folding Unit-J1, Document Insertion Unit-P1)
• Causes: The value written in EEPROM and the value extracted from EEPROM doesn't conform.
• Remedy: [Related parts] - Inserter/folder Controller PCB [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] - When replacing the Inserter/folder Controller PCB, refer to "Adjustment> Adjustment at Time of Parts Replacement" in the Service Manual.

• Code: 505-0004-02
• Description: Puncher unit data error (Finisher-V1)
• Causes: The data read from Puncher Controller PCB has an error. (The read data doesn't match with the written data.)
• Remedy: STAPLE FIN-V1/BOOKLET FIN-V1 [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.