Lexmark MS911 - Motor (Bifold Knife) Failure Service Check

Action Yes No
Step 11
a Reseat all the cables on the booklet maker controller board.
b Reset the printer.
Does the problem remain?
Go to step 12. The problem is solved.
Step 12
Replace the controller board. See
“Booklet maker controller board
removal” on page 462.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
Motor (bifold knife) failure service check
Action Yes No
Step 1
a Reseat the interface cable that is plugged into the SHPF.
b 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 right cover.
b Test the motor (bifold knife).
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > Booklet Maker Motor Tests > Center fold knife
c Check if the belts, gears, and rollers are properly moving.
Are they properly moving?
Go to step 6. Go to step 4.
Step 4
a Reseat the cable on the motor.
b Make sure that the motor is properly installed.
c Check the motor and cable for damage, and replace if necessary. See
“Motor (bifold knife) removal” on page 491.
Does the problem remain?
Go to step 6. The problem is solved.
4021, 7421
Diagnostic information
151