Remedy: Power cycle the unit. If the power cycle does not work to recover from the error, the unit needs repair. The CIS may be damaged.
Code: C270
Description: Scanner home position error The home position sensor does not become inactive in the designated period of time – The carriage does not move from the home position in the designated period of time.
Remedy: Power cycle the unit. If the power cycle does not work to recover from the error, the unit needs repair. The possible cause is the damage of the home position sensor, the belt that moves CIS, or the FB motor.
Code: C280
Description: Scanner home position error The home position sensor does not become active in the designated period of time – The carriage does not reach the home position in the designated period of time. The sensor malfunctions.
Remedy: Power cycle the unit. If the power cycle does not work to recover from the error, the unit needs repair. The possible cause is the damage of the home position sensor, the belt that moves CIS, or the FB motor.
Code: C291
Description: Scan position detect error Scan position detect error – The black edge is not detected in scanning.
Remedy: Power cycle the unit and retry to scan. If the error occurs again in the next scan, the unit needs repair. The calibration sheet may not be installed properly.
Code: C37A ... C37D
Description: Abnormal temperature of belt C37A: Shortcircuit C37B: Open circuit C37C: High temperature C37D: Low temperature
Remedy: Is the cable from belt thermistor to the high voltage board connected normally? Does this error recur? Re-connect the cables normally. Turn on the power again. Replace the belt thermistsor.
Code: C3B3 ... C383
Description: Toner sensor detection error. (C3B3=Y, C3A3=M, C393=C, C383=K) This error does not occur with the default settings.
Remedy: Is the toner cartridge installed? Is the lock lever of the toner set? Does this error recur? Install the toner cartridge. Rotate the lock lever of toner to the lock position. Turn on the power again. Replace the toner sensor assembly.