Lexmark MS911 - Page 163

Action Yes No
Step 10
a Make sure that the staple unit holder is properly installed.
b Check the holder for damage, and replace if necessary. See “Staple
finisher staple unit removal” on page 260.
Does the problem remain?
Go to step 11. The problem is solved.
Step 11
a Reseat the cables on the staple unit.
b Check the unit for damage, and replace if necessary. See “Staple
finisher staple unit removal” on page 260.
Does the problem remain?
Go to step 12. The problem is solved.
Step 12
a Check the staple unit carriage gears for wear or damage, and replace
if necessary. See
“Staple finisher staple unit carriage gears removal”
on page 264.
b Check the staple unit rail for wear or damage, and replace if necessary.
See
“Staple finisher staple unit rail removal” on page 292.
Does the problem remain?
Go to step 13. The problem is solved.
Step 13
Check the staple finisher interface board for damage, and replace if
necessary. See
“Staple finisher interface board removal” on page 262.
Does the problem remain?
Go to step 14. The problem is solved.
Step 14
a Reseat the interface cable on the staple finisher controller board and
printer controller board.
b Reseat the junction connector on the cable.
c Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 15. The problem is solved.
Step 15
a Reseat all the cables on the staple finisher controller board.
b Reset the printer.
Does the problem remain?
Go to step 16. The problem is solved.
Step 16
Replace the controller board. See
“Staple finisher controller board
removal” on page 244.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
4021, 7421
Diagnostic information
163