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Lexmark MS821

Lexmark MS821
970 pages
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Action Yes No
Step 14
Check the staple finisher drive gear for improper installation and
damage.
Is the drive gear properly installed and free of damage?
Go to step 16. Go to step 15.
Step 15
Reinstall or replace the gear. See
“Staple finisher drive gear
assembly removal” on page 604.
Does the problem remain?
Go to step 16. The problem is
solved.
Step 16
Enter the Diagnostics menu, and then navigate to:
Output bin quick feed
Perform the feed test on each optional bin.
Does the error occur in any of the optional bins?
Go to step 18. Go to step 17.
Step 17
a Remove the optional bins.
b Reinstall the optional bins one at a time, and then identify which
bin is causing the error.
Does the error occur in any of the optional bins?
Go to step 18. Contact the next
level of support.
Step 18
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 19. The problem is
solved.
Step 19
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 20.
Step 20
Replace the bin controller board. See
“Staple finisher controller
board removal” on page 590.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4064
Diagnostics and troubleshooting
228

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