• Code: E503-0062
• Description: Error in communication between the finisher - paper folding unit (Finisher-K1). Communication failed between the finisher - paper folding unit
• Remedy: 1. The connector on the cable between the finisher and the paper folding unit is disconnected. 2. The cable between the finisher and the paper folding unit is faulty. 3. The finisher controller PCB is faulty. 4. The paper folding unit controller PCB is faulty.

• Code: E503-0081
• Description: Error in communication between the saddle stitcher - trimmer (Finisher-K1). Communication failed between the saddle stitcher - trimmer
• Remedy: 1. The connector on the wiring between the saddle stitcher and the trimmer is disconnected. 2. The wiring between the saddle stitcher and the trimmer is faulty. 3. The trimmer controller PCB is faulty. 4. The saddle stitcher controller PCB is faulty. 5. The finisher controller PCB is faulty.

• Code: E503-0082
• Description: Error in communication between the saddle stitcher - trimmer (Finisher-K1). Communication failed between the saddle stitcher - trimmer
• Remedy: 1. The connector on the wiring between the saddle stitcher and the trimmer is disconnected. 2. The wiring between the saddle stitcher and the trimmer is faulty. 3. The trimmer controller PCB is faulty. 4. The saddle stitcher controller PCB is faulty. 5. The finisher controller PCB is faulty.

• Code: E505-0001
• Description: A. Backup data error (failed data reading) (Document Insertion Unit-J1/Paper Folding Unit-G1) B. EEPRAM error (Finisher-K1/L1). A. Data failed to be read properly B. Reading/writing error of EEPROM on the finisher controller PCB (The checksum for the EEPROM data has an error.)
• Remedy: A. DC controller PCB is faulty. B. The finisher controller PCB is faulty.

• Code: E505-0002
• Description: A. Backup data error (failed data writing) (Document Insertion Unit-J1/Paper Folding Unit-G1) B. EEPROM error (External 2 Hole Puncher-A1). A. Data failed to be written properly B. The checksum for the EEPROM data has an error.
• Remedy: A. DC controller PCB is faulty B. Punch controller PCB is faulty

• Code: E505-0003
• Description: A. Insertion unit back-up RAM error (Finisher-K1) B. Reading/writing error of EEPROM (Document Folding Insertion Unit / Insertion Unit -H1). A. Reading/writing error of EEPROM on the insertion unit controller PCB. B. Reading/writing error of EEPROM
• Remedy: A. The insertion unit controller PCB is faulty. B. DC controller PCB is faulty

• Code: E505-0005
• Description: Paper folding unit backup RAM error. Reading/writing error of EEPROM on the paper folding unit controller PCB
• Remedy: The paper folding unit controller PCB is faulty.

• Code: E509-0001
• Description: Mismatched connection code between the host machine and Finisher (Finisher-K1/L1). A wrong host machine has been connected.
• Remedy: 1. Connection with a wrong host machine. 2. Failure of Finisher Controller PCB.