Remedy: Does error reoccur? Yes Power OFF/ON Replace PU PCB (PRF)
Code: 111
Display: Service call 111:Error
Description: Detected illegal Duplex Unit.
Remedy: Is Duplex Unit of C5300/C5100 installed? Yes Install Duplex Unit of MC560.
Code: 112
Display: Service call 112:Error
Description: Detected illegal 2nd Tray.
Remedy: Is 2nd Tray of C5300/C5100 installed? Yes Install 2nd Tray of MC560.
Code: 120
Display: Service call 120: ERROR
Description: PU unit FAN motor error
Remedy: 1) Is the FAN in the PU unit working? 2) Does the same error occur after replacement of the FAN motor? Replace the FAN motor. Replace the PU board (PRF). Replace the PU board (PRF).
Code: 121
Display: Service call 121:Error
Description: High-voltage power supply I/F error.
Remedy: Is cable between PU board and high-voltage power unit connected properly? Is there no improperly connections? Connect properly. Check improper connections for highvoltage. Replace high-voltage power supply.
Code: 122
Display: Service call 122:Error
Description: Low-voltage power supply fan error. Low-voltage power supply temperature error.
Remedy: Is fan in low-voltage power supply unit operating? Is fan connector connected properly? Check connections for connector of fan. Replace low-voltage power supply. Replace fan motor. Replace low-voltage power supply.
Code: 123
Display: Service call 123:Error
Description: Abnormal environment humidity / Not connected humidity sensor.
Remedy: Does error reoccur? Yes Power OFF/ON Replace the operator panel PCB (PRP)
Code: 124
Display: Service call 124:Error
Description: Abnormal environment temperature.
Remedy: Does error reoccur? Yes Power OFF/ON Replace the operator panel PCB(PRF)