Lexmark CS720 - Page 183

Motor (fuser) service check
Action Yes No
Step 1
Reset the printer.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the fuser for damage or life expiration, and replace if
necessary. See
“Fuser removal” on page 333.
Does the problem remain?
Go to step 3. Go to step 4.
Step 3
Check the motor cable on the JFUSED1 connector on the controller
board for proper connection.
Is the cable properly connected at both ends?
Go to step 5. Go to step 4.
Step 4
Reconnect the cable.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Remove the fuser, and then manually turn the fuser drive gear.
Does the gear freely turn?
Go to step 8. Go to step 7.
Step 7
Replace the fuser drive gear.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the motor (fuser). See
“Motor (fuser) removal” on
page 318.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Replace the controller board. See
“Controller board removal” on
page 357.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
5028
Diagnostic information
183