Lexmark CS748de User Manual

2-58 Service Manual
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155.xx—Cam motor error service check
3
1. Disconnect the cable in connector
JFDPCK1 and connect the cable from the
new paper pick mechanism to JFDPCK1.
Let the paper pick assembly hang.
2. Close the front cover and install the waste
box on the side of the printer.
3. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
4. Navigate to MOTOR TESTS > Align
Motor Test > Forward.
Does the aligner motor run?
Replace the paper pick
mechanism. See “Paper
pick mechanism
assembly removal” on
page 4-145.
Replace the system board.
See “System board
removal” on page 4-163.
Step Questions / actions Yes No
1 1. Turn the printer off.
2. Remove the rear frame cover. See “Rear
frame cover removal” on page 4-47.
3. Check the motor driver cable in connector
JDVR1 on the system board for proper
connection, for cable pinch points, and for
any other damage to the cable or
connector.
Is the cable damaged?
Replace the motor driver
cable. See “Motor driver
cable removal” on
page 4-130.
Go to step 2.
2
Remove the right cover. See “Right cover
removal” on page 4-51. Check the motor
driver cable (A) for proper connection to the
EP drive assembly, pinch points for the cable,
and damage for the cable or connector.
Is the cable damaged?
Replace the motor driver
cable. See “Motor driver
cable removal” on
page 4-130.
Go to step 3.
Step Questions / actions Yes No

Lexmark CS748de Specifications

General

Brand	Lexmark
Model	CS748de
Category	Printer
Language	English