Lexmark MS911 - Punch Unit Failure Service Check

Action Yes No
Step 12
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.
Punch unit failure 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.
Step 2
Enter the Diagnostics menu, and then navigate to:
Printer setup > Reset engine service error
Note: Perform this step every time a service error occurs.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
a Remove the rear cover.
b Perform a punch job to test the motor (SHPF punch unit).
c Check if the finisher completes the job.
Does it complete the punch job?
Go to step 5. Go to step 4.
Step 4
a Reseat the cable J7 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 5. The problem is solved.
Step 5
a Make sure that the motor (SHPF punch unit) and punch unit sensors
are properly installed.
b Reseat the cable on the motor and sensors.
c Check the parts for damage.
Are the parts free of damage?
Go to step 7. Go to step 6.
4021, 7421
Diagnostic information
142