Lexmark MS821

Action Yes No
Step 4
Remove the excess paper from the tray.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the MPF tray for crumpled, damaged, or deformed paper.
Are the sheets of paper on the tray still in good condition?
Go to step 7. Go to step 6.
Step 6
Replace the aected sheets.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
a Remove the left cover. See “Left cover removal” on page
409.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Motor tests
c Select the motor (MPF pick/aligner), and then touch Start.
Does the motor run?
Go to step 10. Go to step 8.
Step 8
a Remove the right cover. See “Right cover removal” on
page 420.
b Reseat the motor cable J71 on the controller board.
c Reseat the motor cable.
d Restart the printer.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Replace the motor (MPF). See
“Motor (MPF) removal” on
page 413.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Restart the printer.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
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Diagnostics and troubleshooting
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