Post Error Service Check - Lexmark X746de Service Manual

7526
920.13—POST error service check
Step Questions / actions
1. Turn the printer off.
1
2. Remove the rear frame cover. See
frame cover removal" on page
3. Reseat the cables in connectors
JCARTP1 and JCARTS1.
Did the error clear?
Check the cables in connectors JCARTP1
2
and JCARTS1 for pinch points and any other
damage to the cables or connectors.
Is the cable damaged?
1. Remove the right cover. See
3
cover removal" on page
2. Check for the cartridge 1/fuser motor
cable (A) for proper connection to the EP
drive assembly, pinch points for the cable,
or any other damage to the cable or
connector.
Is either cable (A) damaged?
Measure the continuity across all of the fuses
4
on the system board.
Are any of the fuses blown?
Plug in a new EP drive assembly cartridge
5
motor 1 with the old cable from outside the
machine.
Does the problem persist?
Plug in a new EP drive assembly cartridge
6
motor 1 with a new cable from outside the
machine.
Does the problem persist?
Service Manual
2-122
Problem resolved.
"Rear
4-37.
Replace the cartridge
motor 1/fuser cable. See
"Cartridge motor 1/fuser
cable removal" on
page 4-54.
Replace the cartridge
"Right
motor 1/fuser cable. See
4-38.
"Cartridge motor 1/fuser
cable removal" on
page 4-54.
Replace the system board.
See
"System board
removal" on page
Go to step 6.
Replace the system board.
See
"System board
removal" on page
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
4-157.
Replace the EP drive
assembly. See
"Electrophotographic
(EP) drive assembly
removal" on page
Replace the cartridge
motor 1/fuser cable. See
4-157. "Cartridge motor 1/fuser
cable removal" on
page 4-54.
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4-78.