• Code: E731
• Description: UFR PCB error
• Remedy: Check on connection of the UFR PCB , Replace the UFR PCB, Replace the main controller PCB

• Code: E732-0001
• Description: Reader communication error
  DDI-S communication error
• Remedy: Check on connection between the reader controller PCB and the main controller PCB, Check on the reader power supply

• Code: E732-8888
• Description: Reader communication error
  When the different scanner model is detected.
• Remedy: Check the scanner model and the scan type at: COPIER > OPTION > BODY > SCAN TYPE, then make the scan type setting as below. 0 for CIS model reader 1 for CCD model reader

• Code: E732-9999
• Description: Reader communication error
  When the scanner is initially detected on a printer model (not error).
• Remedy: Main power OFF/ON

• Code: E733-0000
• Description: Printer communication error
  The printer fails to be detected at start-up.
• Remedy: Check on connection between the DC controller PCB and the main controller PCB, Check on the printer power supply

• Code: E733-0001
• Description: Printer communication error
  Abnormality of the Ethernet board
• Remedy: Check on connection between the DC controller PCB and the main controller PCB, Check on the printer power supply

• Code: E740
• Description: Abnormality of the Ethernet board
• Remedy: Replace the Ethernet board , Replace the main controller PCB (sub LAN-bar)

• Code: E743-0000
• Description: DDI communication error (Reader side detection)
  The reader controller PCB detects communication error between the main controller PCB and the reader controller PCB.
• Remedy: Disconnect and then connect the reader communication cable connector, Replace the reader controller PCB, Replace the main controller PCB