Code :

Code: 442
Description: Image transfer belt contact motor error The image transfer belt contact sensor does not detect the movement of actuator at the sensor while the polygon motor rotates.
Causes: • Dirty image transfer belt contact sensor • Defective image transfer belt contact motor • Disconnected connector of image transfer belt contact sensor or motor • Disconnected cable • Broken +24V fuse on PSU • Defective interlock switches • Defective BCU
Remedy: • Replace the image transfer belt contact sensor. • Replace the image transfer belt contact motor. • Replace the +24V fuse on the PSU. • Replace the interlock switches. • Replace the BCU.

Code: 443
Description: Image transfer unit error The machine detects the encoder sensor error.
Causes: • Defective encoder sensor • Image transfer unit installation error • Defective image transfer unit motor
Remedy: • Check if the image transfer unit is correctly set. • Replace the image transfer unit motor. • Replace the image transfer unit.

Code: 452
Description: Paper transfer unit contact error The paper transfer unit contact sensor does not detect the movement of actuator at the sensor while the polygon motor rotates.
Causes: • Defective paper transfer unit contact sensor • Defective paper transfer unit contact motor • Broken +24V fuse on PSU • Defective BCU
Remedy: • Check the connection between the paper transfer unit and PSU. • Replace the paper transfer unit contact sensor. • Replace the paper transfer unit contact motor. • Replace the +24V fuse on the PSU. • Replace the BCU.

Code: 460
Description: Separation power pack output error An interrupt checks the status of the power pack every 20 ms. This SC is issued if the BCU detects a short in the power pack 10 times at D(ac).
Causes: • Damaged insulation on the HVPS: D cable • Damaged insulation around the HVPS: D.
Remedy: • Replace the HVPS: D cable. • Replace the HVPS: D.

Code: 491
Description: High voltage power: Drum/ development bias output error An error signal is detected for 0.2 seconds when charging the drum or development.
Causes: • High voltage leak • Broken harness • Defective drum unit or development unit • Defective HVPS: CB
Remedy: • Check or replace the harness. • Replace the drum unit or paper transfer unit. • Replace the HVPS: CB.

Code: 492
Description: High voltage power: Image transfer/ paper transfer bias output error An error signal is detected for 0.2 seconds when charging the separation, image transfer bet or paper transfer roller.
Causes: • High voltage open • Broken harness • Defective image transfer belt unit or paper transfer unit • Defective HVPS: T1T2
Remedy: • Check or replace the harness. • Replace the image transfer belt unit or paper transfer unit. • Replace the HVPS: T1T2.

Code: 495
Description: Toner collection motor error The machine detects that the toner collection bottle is not set for one second when the toner collection motor is turned off.
Causes: • Toner collection motor damaged • Disconnect or defective harness
Remedy: • Check or replace the harness. • Replace the toner collection motor. • Check and retry the connecting procedure.

Code: 498
Description: Temperature and humidity sensor error • The thermistor output of the temperature sensor was not within the prescribed range (0.5V to 2.8V). • The thermistor output of the humidity sensor was not within the prescribed range (0.01V to 2.4V).
Causes: • Temperature and humidity sensor harness disconnected, loose, defective • Temperature and humidity sensor defective
Remedy: • Check the connector and harness. • Replace the temperature/humidity sensor.