Lexmark C950 - Transfer Belt Motor Failure; First Transfer Contact;Retract Failure

2-64 Service Manual
5058-030
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151.01 Transfer belt motor failure
151.02 First transfer contact/retract failure
Step Action and questions Yes No
1 Check the transfer belt motor for
proper operation.
When performing
motor tests, ensure
that all cover and
door interlock
switches are
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch PRINTER MOTOR
TESTS.
4. Touch Transfer belt motor.
Does the above component
operate properly (motor
rotating)?
Go to step 3. Go to step 2.
2
Check the transfer belt motor for
proper connection.
Is the above component
properly connected?
Replace the transfer belt motor.
Go to “PC/developer drive
motor removal” on page 4-140.
Replace the connections.
3
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 4.
Problem resolved
4
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the sensor (1st transfer
rolls retract HP) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR
TESTS.
4. Touch Sensor (1st transfer
rolls retract HP).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
Go to step 3. Go to step 2.