• Code: 154
• Display: Service Call 154: Error
• Description: When belt unit fuse cannot be cut.
• Remedy: Is the belt unit mounted normally? Yes Check cable connection, then replace engine PCB.

• Code: 155
• Display: Service Call 155: Error
• Description: When fuser unit fuse cannot be cut.
• Remedy: Is the fuser unit mounted normally? Yes Check cable connection, then replace engine PCB.

• Code: 160 ... 163
• Display: Service Call 160: Y Toner 161: M Toner 162: C Toner 163: K Toner
• Description: Toner sensor detected error.
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Replace toner sensor or Assy (SGG-PWB). Replace toner sensor or Assy (SGG-PWB).

• Code: 167
• Display: Service Call 167: Error
• Description: Thermistor Slope Error
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 168
• Display: Service Call 168: Error
• Description: Compensation Thermistor Error
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 169
• Display: Service Call 169: Error
• Description: Upper Side Thermistor Error
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 170 ... 175
• Display: Service Call 170: Error 171: Error 174: Error 175: Error
• Description: Fuser Thermistor short-circuit or Open is detected (High Temperature (HOT) or Low Temperature (COLD))
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Leave in that state for 30 minutes then turn ON power again.

• Code: 172 ... 176
• Display: Service Call 172: Error 176: Error
• Description: Thermistor indicates High Temperature (HOT) Error.
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Leave in that state for 30 minutes then turn ON power again.