• Code: 160 ... 163
• Display: Service Call 160: Y Toner 161: M Toner 162: C Toner 163: K Toner
• Description: Error detected by toner sensor.
• Remedy: 1) Is error message displayed? 2) Does error reoccur?
  Replace toner sensor or assembly (Y71-PWB). Same as above.

• Code: 170 ... 175
• Display: Service Call 170: Error 171: Error 174: Error 175: Error
• Description: Short circuit in fuser thermistor or open detected (high temp. or low temp.)
• Remedy: 1) Is error message displayed? 2) Does error reoccur?
  Turn ON power again. Replace thermistor and turn power OFF. Leave aside for 30 min.

• Code: 172 ... 176
• Display: Service Call 172: Error 176: Error
• Description: Thermistor indicates high-temperature error.
• Remedy: 1) Is error message displayed? 2) Does error reoccur?
  Turn ON power again. Replace thermistor and turn power OFF. Leave aside for 30 min.

• Code: 173, 177
• Display: Service Call 173: Error 177: Error
• Description: Thermistor indicates low-temperature error.
• Remedy: 1) Is error message displayed? 2) Does error reoccur?
  Turn ON power again. Replace thermistor and turn power OFF. Leave aside for 30 min.

• Code: 179
• Display: Service Call 179: Error
• Description: Wrong fuser standard.
• Remedy: 1) Does fuser match with model and power voltage? 2) Error reoccurs after setting fuser properly.
  Set proper fuser. Check if fuser is set properly. Replace fuser.

• Code: 180 ... 186
• Display: Service Call 180: Error ~ 186: Error
• Description: Communication disability with option unit detected by engine. 180: Envelope Feeder ( Not used ) 181: Duplex unit 182: Tray2 unit 183: Tray3 unit 184: Tray4 unit 185: Tray5 unit 186: Finisher unit
• Remedy: Is the error message displayed sgin? Check the connector between the printer and the unit, and reinstall the unit.

• Code: 187
• Display: Service Call 187: Error
• Description: Communication with control panel disabled
• Remedy: Is cable properly connected to control panel? Connect properly. Replace control panel and cable.

• Code: 200 ... 202
• Display: Service Call 200: Error ~ 202: Error
• Description: Error occurered while writing over the PU firmware. ( This does not occur at user level. )
  Turn the printer OFF/ON, and retry to download the PU firmware, again.
• Remedy: Turn the printer OFF/ON, and retry to download the PU firmware, again. Usually, the procedure ( PU firmware download ) which isn’t done.