Lexmark C950 Service Manual page 227

Step Action and questions
Check the sensor (bridge unit
2
media exit) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (bridge media
exit).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
Check the sensor (bridge media
3
exit) connection.
Is the above sensor properly
connected?
Check the bridge drive motor for
4
proper operation.
Caution: 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 FINISHER MOTOR
TESTS.
4. Touch Bridge unit motor.
Does the above component
operate properly?
Check the bridge drive motor
5
connection.
Is the above component
properly connected?
Perform a print test. Go to
6
"PRINT TESTS" on page
Does the error remain?
Perform a print test. Go to
7
"PRINT TESTS" on page
Does the error remain?
Yes
Go to step 4.
Replace the sensor (bridge
media exit).
Go to
"Sensor (bridge media
exit) removal" on page
Go to step 6.
Replace the bridge drive motor.
Replace the bridge unit interface
card assembly.
3-22.
Go to step 7.
Replace the finisher controller
card assembly.
3-22.
Go to
"Finisher PCBA removal"
on page 4-281.
No
Go to step 3.
Replace the connection.
4-241.
Go to step 5.
Replace the connection.
Problem solved.
Problem solved.
Diagnostic information
5058-030
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