Lexmark MS911 - SHPF Top bin Full Service Check

Action Yes No
Step 6
a Check the motor (punch unit) and punch unit position sensors for
damage, and replace the punch unit if necessary.
b Reseat the punch unit cable. Check the cable for damage, and replace
if necessary.
c If applicable, reseat the junction connectors on the cables.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
a Reseat the cable J7 on the SHPF controller board.
b If applicable, reseat the junction connectors on the cable.
c Make sure that the cable does not block the path of moving parts.
d Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
a Reseat the interface cable on the SHPF controller board and printer.
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 9. The problem is solved.
Step 9
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.
SHPF top bin full service check
Action Yes No
Step 1
a Remove any debris from the paper path.
b Reseat the interface cable that is plugged into the printer.
c Reset the printer.
Does the problem remain?
Go to step 2. The problem is solved.
4021, 7421
Diagnostic information
170