Lexmark C935 Service Manual page 142

5057-XXX
Step
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?
6 Check the sensor (registration) for proper connection
connection.
Is the above component properly connected?
7 Check the MPF pick solenoid for proper operation.
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?
8 Check the MPF pick solenoid for proper connection
connection.
Is the above component properly connected?
9 Check the MPF/transport drive motor for proper operation.
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?
2-50
Printer Service Manual
Check
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
Yes
Go to step 7. Go to step 6.
Replace the Replace the
sensor connection.
(registration).
Go to "Sensor
(registration)
removal" on
page 4-37.
Go to step 9. Go to step 8.
Replace the MPF Replace the
feed unit connection.
assembly.
Go to "MPF feed
unit assembly
removal" on
page 4-8.
Go to step 11. Skip to step 10.
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