Lexmark C950 - Page 180

2-132 Service Manual
5058-030
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2
Check the sensor (front tamper
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (front tamper
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.
3
Check the sensor (front tamper
HP) for proper connection.
Is the above component
properly connected?
Replace the sensor (front tamper
HP). Go to “Sensor (front
tamper HP) and sensor (rear
tamper HP) removals” on
page 4-321.
Replace the connections.
4
Check the front tamper 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 FINISHER MOTOR
TESTS.
4. Touch front tamper motor
(forward).
5. Touch front tamper motor
(reverse).
Does the above component
operate properly?
Go to step 5. Go to step 4.
5
Check the front tamper motor for
proper connection.
Is the above component
properly connected?
Replace the media compiler
guide. Go to
“Media compiler
unit assembly removal” on
page 4-294.
Replace the connections.
6
POR the machine.
Does the error remain?
Replace the finisher controller
PCBA. Go to
“Finisher PCBA
removal” on page 4-281.
Problem resolved
Step Action and questions Yes No