Lexmark C950 - Page 220

2-172 Service Manual
5058-030
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4
Check the sensor (booklet knife
HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (booklet knife
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 6. Go to step 5.
5
Check the sensor (booklet knife
HP).
Is the above component
properly connected?
Replace the sensor (booklet knife
HP). Go to “Sensor (booklet
knife HP) removal” on
page 4-314.
Replace the connection.
6
Check the booklet fold solenoid
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 Booklet knife
solenoid.
Does the above component
operate properly?
Go to step 8. Go to step 7.
7
Is the booklet fold solenoid
properly connected?
Replace the booklet fold
solenoid. Go to
“Booklet fold
solenoid removal” on
page 4-253.
Replace the connection.
8
Check the booklet folding/exit
drive motor assembly 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 Booklet folding/exit
drive motor.
Does the above component
operate properly?
Go to step 10. Go to step 9.
Step Action and questions Yes No