Remedy: Is the LED head installed correctly? Does LED HEAD FUSE cut? Does the error recur? Install the LED head correctly Check LED HEAD FUSE Replace FUSE Turn on the power supply gain Replace the LED head unit Please refer to chapter 7.6 for replace method of FUSE Replace 86M board
Code: 153
Display: Service call 153: Error
Description: Defective fuse cutting of ID unit
Remedy: Is the ID unit installed correctly? Does the error recur? Does the error recur? Installed ID unit again Turn on the power supply again Replace 86M board after check the connector connection of high voltage power supply. Replace 86M board.
Code: 163
Display: Service call 163: Error
Description: Defective toner sensor detection. It does not occur during shipping setting
Remedy: Is the toner cartridge installed? Is the lock level of toner set? Does the error recur? Does the error recur? Does the error recur? Install a toner cartridge. Turn the lock lever of toner cartridge to the fixed position. Remove the right side cover, take measures to prevent the right side of the device from being exposed to ambient light, and confirm that the toner sensor is lighted during initialization of the device. Reconfirm it after replacing the toner sensor Assy. Replace the 86M board.
Code: 167
Display: Service call 167: Error
Description: Thermistor Slope Error
Remedy: Is the error message displayed? Does the error recur? Turn on the power supply again Turn on the power supply again after storage for 30 minutes.
Code: 168
Display: Service call 168: Error
Description: Compensation. Thermistor Error
Remedy: Is the error message displayed? Does the error recur? Turn on the power supply again Turn on the power supply again after storage for 30 minutes.
Code: 169
Display: Service call 169: Error
Description: Upper Side Thermistor Error
Remedy: Is the error message displayed? Does the error recur? Turn on the power supply again Turn on the power supply again after storage for 30 minutes.
Code: 170, 171
Display: Service call 170: Error 171: Error
Description: Thermistor Short circuit / Open circuit of the fuser is detected
Remedy: Is the thermistor connector normally inserted in the CN2 connector of the high-voltage power/ sensor board? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN1 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
Code: 172, 173
Display: Service call 172: Error 173: Error
Description: Thermistor Temperature abnormality (high or low) of the fuser is detected
Remedy: Is the thermistor connector normally inserted in the CN2 connector of the high-voltage power/ sensor board? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN1 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.