• Code: 203 ... 208
• Display: Service Call 203: Error ~ 208: Error 210: Error ~ 214: Error 0xFFE: Error 0xFFF: Error
• Description: An error was detected of the CU program.
• Remedy: Reinstall the CU board. Is the error message displayed again? Please report the address (24 charactoers) in the indicated LCD (if possible). Turn the printer OFF/ON.

• Code: 209
• Display: POWER OFF/ON 209: DOWNLOAD ERROR
• Description: Downloading Media Table to PU has failure. ( Related to Custum Media Type )
  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.

• Code: 210 ... 214
• Display: Service Call 203: Error ~ 208: Error 210: Error ~ 214: Error 0xFFE: Error 0xFFF: Error
• Description: An error was detected of the CU program.
• Remedy: Reinstall the CU board. Is the error message displayed again? Please report the address (24 charactoers) in the indicated LCD (if possible). Turn the printer OFF/ON.

• Code: 310
• Display: Close cover 310: Top cover open
• Description: Printer engine cover open.
• Remedy: 1) Check if top cover is open. 2) Check if cover switch is proper.
  Close top cover. Close side cover. Replace cover switch.

• Code: 320
• Display: Reset fuser 320: Fuser error
• Description: Same unit not detected upon power ON or opening cover.
• Remedy: 1) Is error message displayed? 2) Is fuser unit set properly? 3) Does error reoccur?
  Check if fuser is set properly. Reset fuser and turn ON power again. Replace fuser unit assembly.

• Code: 321
• Display: Turn power OFF and wait 321: MOTOR OVERHEAT
• Description: Printer cannot be used temporarily due to motor overheat.
• Remedy: Turn ON power after a while.

• Code: 323
• Display: Open/close cover 323: Paper thickness error
• Description: Sensor output out of range with no media. (Only for Factory Mode)
• Remedy: 1) Are foreign objects mixed in sensor? 2) Does printer recover when detecting paper thickness by opening/closing tray? 3) Does printer recover by power OFF/ON.
  Remove foreign objects. Normal.

• Code: 324
• Display: Open/close cover 324: Paper thickness error
• Description: Sensor output gap out of range with no media. (Only for Factory Mode)
• Remedy: 1) Are foreign objects mixed in sensor? 2) Does printer recover when detecting paper thickness by opening/closing tray? 3) Does printer recover by power OFF/ON.
  Remove foreign objects. Normal.