Lexmark MS911 Service Manual page 118

Action
Step 8
a
Make sure that the belts and gears connected to the motor and aligner
shaft are properly installed.
b
Check the belts and gears for wear or damage, and replace if
necessary. See "SHPF—Transport section 1" on page
Does the problem remain?
Step 9
a
Manually rotate the aligner shaft, and check the shaft and aligners for
proper movement.
b
Check the screw threads on the aligner shaft for wear or damage, and
replace if necessary. See
c
Check the front and rear aligner holders for wear or damage, and
replace if necessary. See
Does the problem remain?
Step 10
a
Reseat the cables J4 and J5 on the SHPF controller board.
b
If applicable, reseat the junction connectors on the cables.
c
Make sure that the cables are not in the path of moving parts.
d
Check the cables for damage, and replace if necessary.
Does the problem remain?
Step 11
a
Reseat the interface cable on the SHPF 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 12
a
Reseat all the cables on the SHPF controller board.
b
Reset the printer.
Does the problem remain?
Step 13
Replace the controller board. See
page 364.
Does the problem remain?
"SHPF aligner shaft removal" on page
"SHPF aligner shaft removal" on page
"SHPF controller board removal" on
Diagnostic information
Yes
Go to step 9.
579.
Go to step 10.
418.
418.
Go to step 11.
Go to step 12.
Go to step 13.
Contact the next level
of support.
118
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.