Lexmark MS911 Service Manual page 169

Action
Step 6
a
Reseat the cable on the rest of the sensors.
b
Reseat the cable CN5 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Step 7
a
Reseat the cable on all the motors and on the top door switch.
b
Reseat the cables CN3 and CN4 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Yes
Go to step 7.
Contact the next level
of support.
Diagnostic information
169
4021
No
The problem is solved.
The problem is solved.