The main tray top surface sensor (PS4) is turned neither ON nor OFF even after the set period of time has elapsed while the main tray lift motor (M5) is energized.

When a communication error is detected between the FS control board (FSCB) and the SD drive board (SDDB) Ĭ1102 Main tray Up/Down motor malfunction.

When the ZU control board (ZUCB) is receiving data, a communication error is detected.

When the FS control board (FSCB) is receiving data, a communication error is detected.

When a communication error is detected between the FS control board (FSCB) and the punch control board (PKDB).

The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.

The Upper limit sensor (PS2) is not blocked even after the set period of time has elapsed after the paper lift-up operation began Ĭ0301 Suction fan motor’s failure to turn.

The tray 4 upper limit sensor is not blocked even after the lapse of a given period of time after the lifting motion has been started.

The tray 3 upper limit sensor is not blocked even after the lapse of a given period of time after the lifting motion has been started.

The tray 2 upper limit sensor is not blocked even after the lapse of a given period of time after the lifting motion has been started.

The tray 1 upper limit sensor is not blocked even after the lapse of a given period of time after the lifting motion has been started.

The lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.The lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary Ĭ0105 Tray 3/4 feeder transportation motor turning at abnormal timing.

Bizhub c452 tray alignment