Sensor (Pass Through) Service Check; Sensor (Envelope Feeder Empty) Service Check; Sensor (Adf Top Door Interlock) Service Check - Lexmark X651de Service Manual

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Sensor (pass through) service check

Step
1 1. Enter the diagnostic mode
2. Select Input tray tests
3. Select Sensor test
4. Select the appropriate tray number
5. Observe the line item "pass through" for the appropriate
media tray
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
2 Check the above sensor for proper connection.
Is the above sensor connected properly?

Sensor (envelope feeder empty) service check

Step
1
1. Enter the diagnostic mode
2. Select Input tray tests
3. Select Sensor test
4. Select Envelope feeder
5. Observe the line item "empty"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
2 Check the above sensor for proper connection.
Is the above sensor connected properly?

Sensor (ADF top door interlock) service check

Step
1 1. Enter the diagnostic mode
2. Select Scanner tests
3. Select Sensor tests
4. Observe the line item "Sensor (ADF top door interlock"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
2-118
Service Manual
Check
Check
Check
Yes
The sensor is Go to step 2.
working properly
Replace the Replace the
sensor (pass connection.
through).
"Sensor
Go to
(pass through)
with cable
removal" on
page 4-190.
Yes
The sensor is Go to step 2.
working properly
Replace the Replace the
envelope feeder. connection.
Yes
The sensor is Go to step 2.
working properly
No
No
No