- Action -
Is the drum charge roller correctly installed?
Yes No
Install the drum charge roller correctly.
Does the charge roller terminal properly contact the end of the drum charge
roller?
Yes No
Replace the charge roller terminal.
Is the drum charge roller broken?
No Yes
Replace the drum charge roller.
Are the development drive gears worn or broken?
No Yes
Replace the drive gears.
Does the development unit drive clutch turn on properly?
Yes No
Does the voltage at CN117-4 stay at 24 volts on the main board after the
Start key is pressed?
24 volts 0 volts
Replace the development unit drive clutch.
Replace the main control board.
FSM 6-3 FT5535/4527/4522
To Next Page