Lexmark MS911 - Page 118

Action Yes No
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 579.
Does the problem remain?
Go to step 9. The problem is solved.
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
“SHPF aligner shaft removal” on page 418.
c Check the front and rear aligner holders for wear or damage, and
replace if necessary. See
“SHPF aligner shaft removal” on page 418.
Does the problem remain?
Go to step 10. The problem is solved.
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?
Go to step 11. The problem is solved.
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?
Go to step 12. The problem is solved.
Step 12
a Reseat all the cables on the SHPF controller board.
b Reset the printer.
Does the problem remain?
Go to step 13. The problem is solved.
Step 13
Replace the controller board. See
“SHPF controller board removal” on
page 364.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
4021, 7421
Diagnostic information
118