Failure - Lexmark 4036-307 Service Manual

843.00 Scanner failure
Step Action and Question
1 Check the flatbed motor cable (A).
1. Remove the flatbed glass. See
with glass removal" on page 4-28
information.
2. Remove the bottom plate to expose the cable.
See"Bottom plate removal" on page 4-35
more information.
Is either end of the cable loose?
2 Does the flatbed motor cable have any visible
damage?

843.01 Failure

Step Action and questions
1 Check the ADF FF to motor/distribution
cable.
1. See the
board removal" on page 4-11
locate the ADF FF to motor/distribution
cable.
2. Disconnect and reconnect the ADF FF
to motor/distribution cable connection
(A).
3. Reassemble scanner and power it on.
Does the error recur?
"Flatbed cover
"ADF motor/distribution
to
Yes
Reseat flatbed
motor cable
for more
for
Replace flatbed
motor cable
Yes
Replace the ADF optical
unit
4036-307, -308
No
Go to step 2
Replace flatbed
optical unit
No
Done
2-17
Diagnostic information