Lexmark X746de - XX-Motor (EP Drive Assembly Bottom Cartridge) Error Service Check

2-56 Service Manual
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145.xx—Motor (EP drive assembly bottom cartridge) error service check
Step Questions / actions Yes No
1 1. Turn the printer off.
2. Remove the rear frame cover. See “Rear
frame cover removal” on page 4-37.
3. Remove the right cover. See “Right
cover removal” on page 4-38
4. Check the entire length of the cables in
connector JCARTS2 and JCARTP2
(cartridge motor 2/3 cable) for proper
connection to the system board, for cable
pinch points, and for any other damage to
the cable or connector.
Is the cable damaged?
Replace cartridge motor 2/
3 cable. See “Cartridge
motor 2/3 cable removal”
on page 4-57.
Go to step 2.
2
Check the cartridge motor 2/3 cable for
proper connection to the EP drive assembly,
pinch points for the cable, and damage to the
cable or connector (A).
Is either cable damaged?
Replace the cartridge
motor 2/3 cable. See
“Cartridge motor 2/3
cable removal” on
page 4-57.
Go to step 3.
3
Measure the continuity across all of the fuses
on the system board.
Are any of the fuses blown?
Replace the system board.
See “System board
removal” on page 4-157.
Go to step 4.
4
1. Disconnect the motor drive cable from the
EP drive assembly and connect it to the
motor on a new EP drive assembly.
Note: Do not install the new EP drive
assembly yet.
2. Enter Diagnostics mode (press and hold
buttons 3 and 6, turn on the MFP, and
release the buttons when the progress bar
displays).
3. Touch MOTOR TESTS.
Did the motor run?
Replace the EP drive
assembly. See
“Electrophotographic
(EP) drive assembly
removal” on page 4-78.
Replace the system board.
See “System board
removal” on page 4-157.