• Code: 57.04
• Display: 57.04 Error - To continue turn off then on
• Description: The main fan (FN101) is not functioning.
• Remedy: 1. Verify that connector J64 on the DC controller is firmly seated. 2. Listen for the fan to operate while the MFP is initializing. 3. If the fan does not operate during the initialization sequence, replace it.

• Code: 57.05
• Display: 57.05 Error - To continue turn off then on
• Description: The duplexing-unit fan (FN107) is not functioning.
• Remedy: 1. Verify that the connector J44 on the dc controller is firmly seated. 2. Listen for the fan to operate while the MFP is initializing. 3. If the fan does not operate during the initialization sequence, replace the duplex-printing unit.

• Code: 57.07
• Display: 57.07 Error - To continue turn off then on
• Description: The reversing-unit fan (FN103) is not functioning.
• Remedy: 1. Verify that the connector J65 on the dc controller is firmly seated. 2. Listen for the fan to operate while the MFP is initializing. 3. If the fan does not operate during the initialization sequence, replace it.

• Code: 58.2
• Display: 58.XX ERROR - To Continue Turn Off Then On
• Description: A memory error has been detected.
  Air temperature sensor (TH3)
• Remedy: Turn the MFP off, and then turn the MFP on. 1. Reconnect the connector J63 on the engine power supply. The air temperature sensor is the thermistor (TH3) that is mounted across the main cooling fan (FN101). 2. Replace the air-temperature sensor. 3. Replace the engine power supply.

• Code: 58.3
• Display: 58.XX ERROR - To Continue Turn Off Then On
• Description: A memory error has been detected.
  DC controller PCA
• Remedy: Turn the MFP off, and then turn the MFP on. Replace the DC controller PCA.

• Code: 58.4
• Display: 58.XX ERROR - To Continue Turn Off Then On
• Description: A memory error has been detected.
  Engine power supply
• Remedy: Turn the MFP off, and then turn the MFP on. Replace the engine power supply.

• Code: 59.0
• Display: 59.XY ERROR - To Continue Turn Off Then On
• Description: An error has occurred in one of the motors.
  Main motor error
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reconnect the wire-harness on the DC controller PCA for the motor that is indicated. For the main motor, this is connector J98. For the print-cartridge motor, this is connector J86. 3. Replace the motor. 4. Replace the DC controller PCA.

• Code: 59.1
• Display: 59.XY ERROR - To Continue Turn Off Then On
• Description: An error has occurred in one of the motors.
  Main-motor startup errorr PCA.
• Remedy: 1. Turn the MFP off, and then turn the MFP on. 2. Reconnect the wire-harness on the DC controller PCA for the motor that is indicated. For the main motor, this is connector J98. For the print-cartridge motor, this is connector J86. 3. Replace the motor. 4. Replace the DC controller PCA.