Sensor (Narrow Media) Service Check; Sensor (Duplex Input) Service Check - Lexmark X651de Service Manual

Sensor (narrow media) service check

Step
Check the sensor (narrow media) for damage.
1
Is the above component free from damage?
1. Enter the diagnostic mode
2
2. Select Base sensor test
4. Observe the line item "narrow media"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
Check the above sensor for proper connection.
3
Is the above sensor connected properly?

Sensor (duplex input) service check

Step
Check the sensor (duplex input) for damage.
1
Is the above component free from damage?
1. Enter the diagnostic mode
2
2. Select Duplex sensor tests
3. Select Sensor test
4. Observe the line item "input"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
Check the above sensor for proper connection.
3
Is the above sensor connected properly?
Check
Check
Yes
Go to step 2. Replace the fuser
unit assembly.
Go to
"Fuser unit
assembly
removal" on
page 4-16.
The sensor is Go to step 2.
working properly
Replace fuser unit Replace the
assembly. connection.
Go to
"Fuser unit
assembly
removal" on
page 4-16.
Yes
Go to step 2. Replace the
sensor (duplex
input).
Go to
"Sensor
(duplex input)
removal" on
page 4-40.
The sensor is Go to step 2.
working properly
Replace the Replace the
duplex input connection.
sensor assembly
(internal duplex
only).
Go to
"Duplex
input sensor
assembly
removal" on
page 4-10
or replace the
external duplex
unit assembly
(external duplex
only).
Diagnostic information
7462
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