Causes: • The belt positioning sensor does not detect the transfer belt position detection hole a second time even after the lapse of a predetermined period of time after it has detected one while the transfer belt is rotated.
Code: 0094
Description: 2nd image transfer pressure / retraction failure
Causes: • The 2nd image transfer retraction position sensor is not activated (retracted position) within a given period of time after the retraction sequence of the 2nd transfer roller has been started. • The 2nd image transfer retraction position sensor is not deactivated (pressed position) within a given period of time after the pressure sequence of the 2nd transfer roller has been started.
Code: 0300
Description: Polygon motor malfunction
Causes: • The polygon motor does not rotate evenly even after the lapse of a given period of time after it has been started. • The motor lock signal remains HIGH for a given period of consecutive time while the polygon motor is being rotated.
Code: 0310
Description: Laser malfunction
Causes: • The SOS signal is not detected within a given period of time after the output of the laser has been started.
Code: 0500
Description: Fuser warm-up failure
Causes: • The thermistor /1 does not detect the specified temperature and the warm-up cycle is not completed even after the lapse of a given period of time after the cycle has been started.
Code: 0502
Description: Thermistor open-circuit failure
Causes: • The temperature detected by the thermistor does not reach a predetermined level even after the lapse of a given period time after the warm-up cycle has been started.