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Lexmark MS821

Lexmark MS821
970 pages
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Action Yes No
Step 4
Clear the optional bin paper path rollers of any dirt and
contamination.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Enter the Diagnostics menu, and then navigate to:
Output bin quick feed > Feed to all bins
b To uc h Single or Continuous.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
a Remove the mailbox left cover. See “Mailbox left cover
removal” on page 654.
b Reseat the cable of the sensor (mailbox passthrough 1) on the
mailbox controller board.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Check the sensor (mailbox passthrough 1) for improper
installation, contamination, and damage.
Is the sensor properly installed and free of contamination and
damage?
Go to step 9. Go to step 8.
Step 8
Reinstall or replace the sensor. See
“Sensor (mailbox
passthrough) removal” on page 693.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Make sure that the controller board of the aected optional bin is
properly installed. Reseat all the cables on the controller board.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Check the aected controller board and its connector pins for
damage.
Are the bin controller board and its connectors free of damage?
Contact the next
level of support.
Go to step 11.
Step 11
Replace the bin controller board. See
“Mailbox controller board
removal” on page 667.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4064
Diagnostics and troubleshooting
210

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