Lexmark CS720 Service Manual page 191

Action
Step 5
Check the cable on the motor and on the JMTR1 connector on the
controller board for proper connection.
Is the cable properly connected at both ends?
Step 6
Reconnect the cable.
Does the problem remain?
Step 7
Check the cable for damage, and replace if necessary.
Does the problem remain?
Step 8
Replace the motor. See
Does the problem remain?
Step 9
Replace the controller board. See
page 357.
Does the problem remain?
Motor (output) service check
Action
Step 1
Reset the printer.
Does the problem remain?
Step 2
Check the cable on the motor (output) and on the JOUTDC
connector on the controller board for proper connection and
damage, and replace if necessary.
Does the problem remain?
Step 3
Reset the printer.
Does the problem remain?
"Motor (deskew) removal" on page
"Controller board removal" on
Diagnostic information
Yes
Go to step 7.
Go to step 7.
Go to step 8.
Go to step 9.
299.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
191
5028
No
Go to step 6.
The problem is
solved.
The problem is
solved.
The problem is
solved.
The problem is
solved.
No
The problem is
solved.
The problem is
solved.
The problem is
solved.