Main Motor Service Check - Lexmark 11A4006 - Optra K 1220 B/W Laser Printer Service Manual

Distance Between Lines or Marks
49mm (1.9 inches)
24mm (0.9 inch)
68mm (2.7 inches)

Main Motor Service Check

FRU
1 • Engine
Board
• Main Motor
2-20
Cause and Action
This can be caused by the feed roller
or gear that turns the feed roller.
Inspect for damage and replace as
necessary.
This can be caused by a gear in the
print unit. Inform the customer the
print unit needs to be replaced.
This can be caused by a gear in the
fuser. Check the fuser gears for con-
tamination or damage. Replace the
fuser if necessary.
Action
Be sure the main motor cable is connected prop-
erly. Replace it if it is damaged.
Disconnect the main motor cable and check the
voltage on the following connectors on the engine
board:
CNMM-1 = +24 V dc
CNMM-2 = +24 V dc
If the voltages are correct, replace the main motor.
If the voltages are incorrect, replace the engine
board.