Xx, 920.02-Autocomp (Tray 1) Motor Error Service Check; Xx, 906.01-906.04-Motor (Fuser) Error Service Check - Lexmark C746n Service Manual

140.xx, 920.02—Autocomp (tray 1) motor 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. Check the cable in connector JFDPCK1
for proper connection to the system board,
the cable for pinch points, and the cable or
connector for any other damage.
4. Reseat the cable.
5. POR the printer.
Did the error clear?
Measure the continuity across all of the fuses
2
on the system board.
Are any of the fuses blown?
1. Disconnect the cable in the connector
3
JFDPCK1.
2. Connect the cable for the new paper pick
mechanism.
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 > Tray 1.
Did the new pick motor turn before the feed
error occur?
142.xx, 906.01–906.04—Motor (fuser) 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. Check the cables in connectors JCARTP1
and JCARTS1 (cartridge motor 1/fuser
motor cable) for proper connection to the
system board, for cable pinch points, and
for any other damage to the cable or
connectors.
Is either cable damaged?
Yes
Problem resolved.
"Rear
4-47.
Replace the system board.
See
"System board
removal" on page
Replace the paper pick
mechanism. See
pick mechanism
assembly removal" on
page 4-137.
Yes
Go to step 3.
"Rear
4-47.
No
Go to step 2.
Go to step 3.
4-155.
Replace the system board.
See
"Paper "System board
removal" on page
No
Go to step 2.
Diagnostic information
5026
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