Diagnostic information 2-59
7526
147.xx, 920.01—Motor (aligner) error service check
9
1. Check the MPF tray for any damage.
2. Manually turn the MPF gear on the tray,
and check if the MPF pick arm assembly
would turn.
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. Lift the MPF pick arm using the lever.
5. Select MOTOR TESTS > MPF >
Forward.
6. Check if the pick arm would turn.
Is the MPF pick arm assembly free of
damage?
Go to step 10. Replace the input tray.
10
Remove the input tray and insert a new one.
Does this fix the problem?
Problem resolved. Replace the system board.
See “System board
removal” on page 4-155.
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 JFDPCK1 connector for proper
connection and damage.
4. Reseat the connector.
5. POR the printer.
6. Perform a print test.
Is the problem still present?
Go to step 2. Problem resolved.
2
Check the cable in connector JFDPCK1 for
pinch points, and the cable or connector for
any other damage.
Is the cable damaged?
Replace the paper pick
mechanism. See “Paper
pick mechanism
assembly removal” on
page 4-130.
Go to step 3.
3
1. Disconnect the cable in connector
JFDPCK1 on the system board, and then
plug in the cable for the new paper pick
mechanism. Let the paper pick assembly
hang.
2. Close the front cover and install the waste
box on the side of the printer.
3. Enter Diagnostics mode (press and hold
buttons 3 and 6, turn on the MFP, and
release the buttons when the progress bar
displays).
4. Touch MOTOR TESTS.
5. Touch Align Motor.
6. Touch Forward.
Does the aligner motor run?
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
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