Sensor (Duplex Input) Service Check (External Duplex Only); Sensor (Duplex Exit) Service Check (External Duplex Only) - Lexmark T652 Service Manual

4062
Step
3 Check the above sensor for proper connection.
Is the above sensor connected properly?

Sensor (duplex input) service check (external duplex only)

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

Sensor (duplex exit) service check (external duplex only)

Step
1 Check the sensor (duplex exit) for damage.
Is the above component free from damage?
2 1. Enter the diagnostic mode
2. Select Duplex sensor tests
3. Select 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?
2-128
Service Manual
Check
Check
Check
Yes
Replace the Replace the
duplex input connection.
sensor assembly
(internal duplex
only).
Go to "Duplex
input sensor
assembly
removal (T652,
T654)" on
page 4-20
or replace the
external duplex
unit assembly
(external duplex
only).
Yes
Go to step 2. Replace the
external duplex
unit assembly.
The sensor is Go to step 2.
working properly
Replace the Replace the
external duplex connection.
unit assembly.
Yes
Go to step 2. Replace the
external duplex
unit assembly.
The sensor is Go to step 2.
working properly
Replace the Replace the
external duplex connection.
unit assembly.
No
No
No