Sensor (Input) Service Check; Sensor (Fuser Output) Service Check - Lexmark T652 Service Manual

4062
Service checks

Sensor (input) service check

Step
1 Check the sensor (input) for damage.
Is the above component free from damage?
2
1. Enter the diagnostic mode
2. Select Base 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.
3 Check the above sensor for proper connection.
Is the above sensor connected properly?

Sensor (fuser output) service check

Step
1 Check the sensor (fuser output) for damage.
Is the above component free from damage?
2 1. Enter the diagnostic mode
2. Select Base sensor test
4. Observe the line item "exit"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
3 Check the above sensor for proper connection.
Is the above sensor connected properly?
2-126
Service Manual
Check
Check
Yes
Go to step 2. Replace the
sensor (input).
Go to
(input) removal
(T650, T652,
T654)" on
page
The sensor is Go to step 2.
working properly
Replace the Replace the
Sensor (input). connection.
Go to "Sensor
(input) removal
(T650, T652,
T654)" on
page 4-71.
Yes
Go to step 2. Replace fuser unit
assembly.
Go to
assembly
removal (T650,
T652, T654)" on
page
The sensor is Go to step 2.
working properly
Replace the fuser Replace the
unit assembly. connection.
Go to "Fuser unit
assembly
removal (T650,
T652, T654)" on
page 4-23.
No
"Sensor
4-71.
No
"Fuser unit
4-23.