Lexmark MS911 Service Manual page 105

Action
Step 12
Check the staple finisher interface board for damage, and replace if
necessary. See "Staple finisher interface board removal" on page
Does the problem remain?
Step 13
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
Does the problem remain?
Step 14
a
Reseat the staple finisher FFC on the interface board and controller
board.
b
Check the cable for damage, and replace if necessary. See
finisher FFC removal" on page
Does the problem remain?
Step 15
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?
Step 16
a
Reseat all the cables on the staple finisher controller board.
b
Reset the printer.
Does the problem remain?
Step 17
Replace the controller board. See
removal" on page 244.
Does the problem remain?
292.
267.
"Staple finisher controller board
Diagnostic information
105
Yes
Go to step 13.
262.
Go to step 14.
Go to step 15.
"Staple
Go to step 16.
Go to step 17.
Contact the next level
of support.
4021, 7421
No
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.