• Code: E121-0003
• Description: A fault exists in the rotation of the following: laser scanner unit cooling fan, reader heat discharge fan 1, reader heat discharge fan 2.
  The reader heat discharge fan 2 has a fault. After the reader heat discharge fan 2 has gone on, the fan stop signal is detected for 5 sec or more.
• Remedy: Disconnect and then connect J521 of the DC controller PCB. Replace the reader heat discharge fan 2. Replace the DC controller PCB.

• Code: E197-0000
• Description: The laser scanner motor communication has a fault.
  The communication with the laser control IC is not normal.
• Remedy: Replace the laser scanner unit. Replace the video PCB.

• Code: E202-0001
• Description: The scanner HP detection mechanism has a fault.
  At time of shading, the intensity of light is below the standard level.
• Remedy: Disconnect and then connect the connector of the scanner HP sensor. Replace the scanner HP sensor. Replace the scanner motor. Replace the reader controller PCB.

• Code: E202-0002
• Description: The scanner HP detection mechanism has a fault.
  In ADF mode, the intensity of light is below the standard level between sheets.
• Remedy: Disconnect and then connect the connector of the scanner HP sensor. Replace the scanner HP sensor. Replace the scanner motor. Replace the reader controller PCB.

• Code: E227-0001
• Description: The reader unit power supply (24 V) has a fault.
  At power-on, the 24V port is off.
• Remedy: Disconnect and then connect the reader power supply connector. Replace the power supply.

• Code: E227-0002
• Description: The reader unit power supply (24 V) has a fault.
  At the start of a job, the 24V port is off.
• Remedy: Disconnect and then connect the reader power supply connector. Replace the power supply.

• Code: E227-0003
• Description: The reader unit power supply (24 V) has a fault.
  At the end of a job, the 24V port is off.
• Remedy: Disconnect and then connect the reader power supply connector. Replace the power supply.

• Code: E227-0004
• Description: The reader unit power supply (24 V) has a fault.
  While a load is driven, the 24V port is off.
• Remedy: Disconnect and then connect the reader power supply connector. Replace the power supply.