How to solve error C4200 on Kyocera KM-1650, KM-2050 printers

The error code C4200 means the laser scanner could be defective, or the polygon motor, or the mainboard.



Solution 1:

• Switch off and unplug the printer for 20 minutes
• Plug back and switch on.

Solution 2:

• Replace the scanner laser (LSU): 302C993092

Solution 3:

• Replace the mainboard (302DA94020 or 302DA93030)

Solution 4:

• Replace the motor board (302DB93011 or 302DB93010)