Lexmark C935 - Page 128

2-36 Printer Service Manual
5057-XXX
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3
Check the sensor (registration) for proper operation.
1. Enter the Diagnostics Menu.
2. Select BASE SENSOR TESTS.
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 5. Go to step 4.
4
Check the sensor (registration) for proper connection.
Is the above component properly connected?
Replace the sensor
(registration).
Go to “Sensor
(registration)
removal” on
page 4-37.
Replace the
connection.
5
Check the duplex diverter gate 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 Duplex diverter gate solenoid.
Does the above component operate properly?
Go to step 7. Go to step 6
6
Check the duplex diverter gate solenoid for proper
connection.
Is the above component properly connected?
Replace duplex
media inverter
assembly.
Go to “Duplex
media inverter
assembly removal”
on page 4-9.
Replace the
connection.
7
Check the duplex 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 Test.
4. Select Duplex drive motor.
Does the above component operate properly?
Go to step 9. Go to step 8.
8
Check the duplex drive motor for proper connection.
Is the above component properly connected?
Replace duplex
drive motor.
Go to “Duplex drive
motor removal” on
page 4-13.
Replace the
connection.
Step Check Yes No