Description: Revolver motor error Movement to the home position took four or more seconds. For black, movement to the home position took one second or longer.
Causes: Revolver motor, MCU, or incorrect installation of color development unit
Code: 39
Description: Polygon mirror motor error Continuous unlock for two seconds
Causes: Polygon mirror motor, MCU
Code: 40
Description: ID sensor error The ID sensor output voltage is not between 0.1 V and 1.1 V while the ID sensor LED is off.
Causes: ID sensor
Code: 41
Description: Transfer belt H.P. sensor error No mark has been detected for 500 ms during PCU motor operation.
Causes: Transfer belt H.P. sensor, MCU
Code: 42
Description: Laser diode error LD error (abnormal laser power output)
Causes: LD, LD control board
Code: 43
Description: Synchronizat ion detection error Synchronization detection error of the optical unit
Causes: Synchronization detection board, LD control board
Code: 45
Description: Charge bias short A/D converted voltage has been 4.8 V or more for 240 ms.
Causes: There is a short circuit in the charge bias supply circuit (due to deformed terminals or electrodes or conductive foreign matter)
Code: 46
Description: Paper transfer positive current error A/D converted voltage has been 0.2 V or less for 240 ms.
Causes: There is a short circuit in the paper transfer bias supply circuit (due to deformed terminals or electrodes or conductive foreign matter)