Filter
Top Products
2-54 Service Manual
5016-001
A The fuser drive system is not operating properly.
FRU Action
1 Fuser Assembly
Fuser Drive Motor
Fuser Motor/Paper
Feed Motor Carriage
Unit Motor Cable
Engine Board
Check the fuser assembly internal drive gears
for binding, or broken or worn teeth. If a
problem exists, repair or replace the fuser
assembly.
Remove the fuser drive motor from the stay
assembly, leaving the motor cable connected
to the motor. Turn the printer on, but do not
allow the motor to touch other areas of the
printer. Verify the motor turns during POR. If it
does, the problem is most likely in the motor
mounting stay assembly. Go to step 2.
Check the motor for shorts between the case
and each motor winding. If a short is found,
replace the motor.
Note: Damage to the engine board may result
from a shorted motor.
Check the motor for open windings. If found,
replace the motor.
Check continuity of the fuser motor/paper
feed motor/carriage unit motor cable.
• If incorrect, replace the cable.
• If correct, replace the engine board.
2 Motor Mounting Stay
Assembly
(Fuser Drive Parts)
Check the fuser drive gears, gears C3-1, C3-
2, the clutch spring, motor drive gear, gear C2
and C4 for signs of chipped gear teeth, worn
parts, or improper operation. If problems are
found, repair as necessary.
Check the cam gears and solenoid for proper
operation and signs of broken or worn gear
teeth or damaged parts. If found, repair or
replace the motor mounting stay assembly.