Lexmark C935 - Page 142

2-50 Printer Service Manual
5057-XXX
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5
Check the sensor (registration) for proper operation.
1. Enter the Diagnostics Menu.
2. Select BASE SENSOR TEST.
3. Select Media Path.
4. Select Registration.
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked?
Go to step 7. Go to step 6.
6
Check the sensor (registration) for proper connection
connection.
Is the above component properly connected?
Replace the
sensor
(registration).
Go to “Sensor
(registration)
removal” on
page 4-37.
Replace the
connection.
7
Check the MPF pick solenoid for proper operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Select MOTOR TESTS.
3. Select Printer Motor Test.
4. Select MPF pick solenoid.
Does the above component operate properly?
Go to step 9. Go to step 8.
8
Check the MPF pick solenoid for proper connection
connection.
Is the above component properly connected?
Replace the MPF
feed unit
assembly.
Go to “MPF feed
unit assembly
removal” on
page 4-8.
Replace the
connection.
9
Check the MPF/transport drive motor for proper operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Select MOTOR TESTS.
3. Select Printer motor tests.
4. Select MPF/transport drive motor.
Does the above component operate properly?
Go to step 11. Skip to step 10.
Step Check Yes No