Diagnostic information 2-51
7526
140.xx, 920.02—Autocomp (tray 1) motor error service check
142.xx, 906.01–906.04—Motor (fuser) 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. 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?
Problem resolved. Go to step 2.
2
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 3.
3
1. Disconnect the cable in connector
JFDPCK1, and then connect the cable for
the new paper pick mechanism.
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.
4. Touch Tray 1.
Did the new pick motor turn before the feed
error occur?
Replace the paper pick
mechanism. See “Paper
pick mechanism
assembly removal” on
page 4-130.
Replace the system board.
See “System board
removal” on page 4-157.
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. 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?
Go to step 3. Go to step 2.
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