Transfer Belt Motor Failure; First Transfer Contact/Retract Failure - Lexmark C950 Service Manual

5058-030

151.01 Transfer belt motor failure

Step Action and questions
Check the transfer belt motor for
1
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)?
Check the transfer belt motor for
2
proper connection.
Is the above component
properly connected?
POR the machine.
3
Does the error continue?
POR the machine.
4
Does the error continue?

151.02 First transfer contact/retract failure

Step Action and questions
Check the sensor (1st transfer
1
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?
Service Manual
2-66
Yes
Go to step 3.
Replace the transfer belt motor.
Go to
"PC/developer drive
motor removal" on page 4-138.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page 4-98.
Go to step 4.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-180.
Yes
Go to step 3.
No
Go to step 2.
Replace the connections.
Problem resolved
Problem resolved
No
Go to step 2.
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