• Code: E400-0002
• Description: Communication error between Reader Controller PCB (UN4) and DADF
  Reception status error occurs at the time of communication between the Reader Controller PCB and the DADF.
• Remedy: 1. Connection error between the DADF Driver PCB (PCB1) and the Reader Controller PCB (UN4). 2. Failure of the DADF Driver PCB (PCB1). 3. Failure of the Reader Controller PCB (UN4).

• Code: E400-0003
• Description: Communication error between Reader Controller PCB (UN4) and DADF
  Reception interrupt error occurs at the time of communication between the Reader Controller PCB and the DADF.
• Remedy: 1. Connection error between the DADF Driver PCB (PCB1) and the Reader Controller PCB (UN4). 2. Failure of the DADF Driver PCB (PCB1). 3. Failure of the Reader Controller PCB (UN4).

• Code: E413-0001
• Description: Release Motor (M2) error
  The sensing level of the release motor HP sensor (SR11) does not change within a specified period when the release motor (M2) is driven.
• Remedy: 1. Replace the Release Motor HP Sensor (SR11). 2. Replace the Release Motor (M2). 3. Replace the ADF Driver PCB.

• Code: E413-0002
• Description: Release Motor (M2) error
  The sensing level of the release motor HP sensor (SR11) does not change within a specified period when the release motor (M2) is driven.
• Remedy: 1. Replace the Release Motor HP Sensor (SR11). 2. Replace the Release Motor (M2). 3. Replace the ADF Driver PCB.

• Code: E490-0001
• Description: Different DADF model error
  Not proper DADF is installed.
• Remedy: 1. Installed DADF is a different model. 2. Replace the Reader Controller PCB (UN4). 3. Replace the DC Controller PCB (UN2). 4. Replace the Main Controller PCB 2 (UN14).

• Code: E500-0000
• Description: Communication error (Staple/Booklet Finisher)
  The communication with the host machine is interrupted.
• Remedy: 1. Check the cable. 2. Replace the Finisher Controller PCB. 3. Replace the DC Controller PCB.

• Code: E500-0001
• Description: Communication error (Inner Finisher)
  The communication with the host machine is interrupted.
• Remedy: 1. Check the cable. 2. Replace the Finisher Controller PCB. 3. Replace the DC Controller PCB.

• Code: E503-0002
• Description: Communication error
  Communication between the Saddle Controller and the Finisher Controller is suspended.
• Remedy: 1. The wiring between the finisher controller PCB and saddle controller PCB is faulty. 2. The finisher controller PCB is faulty. 3. The saddle stitcher controller PCB is faulty.