Lexmark 4098-001 Service Manual page 21

4098-001
FRU
5 Encoder Strip
Encoder Card
Printhead Cable
System Board
6 Maintenance
Station
7 Operator Panel
Operator Panel
Cable
System Board
Action
Check the encoder strip for proper installation.
Check the strip for wear, dirt and grease. Be sure
the carrier cable is fully seated in connector J10
and the cable is seated in the encoder card. Check
the cable for damage.
Perform the "Encoder Sensor Test" on
page 3-4. If you cannot enter the test, replace the
system board.
A problem with the maintenance station can cause
carrier movement problems at the right margin. Go
to the "Maintenance Station Service Check,"on
page 2-10.
If the carrier does not move when the access cover
is opened, check the actuator arm for binds. If the
arm is working correctly, check the operator panel
cable is fully seated in J16 at the system board
and in the operator panel. Check the continuity of
the cable at pins 3 and 4. If the cable is good,
replace the system board or operator panel.
Diagnostic Information
2-9