Post (Power-On Self Test) Cartridge Motor 1 Not Connected Error Service Check - Lexmark C746n Service Manual

5026
920.13—POST (power-on self test) cartridge motor 1 not connected error service
check
Step Questions / actions
Turn the printer off, and then remove the rear
1
frame cover. See
removal" on page
Reseat the cables in connectors JCARTP1
and JCARTS1.
Does 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?
Remove the right cover. Check the cartridge
3
motor 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 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
2-106
"Rear frame cover
4-47.
Yes
Problem resolved.
Replace the cartridge
motor 1/fuser cable. See
"Cartridge motor 1/fuser
cable removal" on
page 4-67.
Replace the cartridge
motor 1/fuser motor cable.
See
"Cartridge motor 1/
fuser cable removal" on
page 4-67.
Replace the system board.
See
"System board
removal" on page 4-155.
Go to step 6.
Replace the system board.
See
"System board
removal" on page 4-155.
No
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
.Replace the EP drive
assembly. See
"Electrophotographic
(EP) drive assembly
removal" on page 4-90.
Replace cartridge motor 1/
fuser cable. See
"Cartridge motor 1/fuser
cable removal" on
page 4-67
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