Lexmark C950 Service Manual page 220

5058-030
Step Action and questions
Check the sensor (booklet knife
4
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?
Check the sensor (booklet knife
5
HP).
Is the above component
properly connected?
Check the booklet fold solenoid
6
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?
7 Is the booklet fold solenoid
properly connected?
Check the booklet folding/exit
8
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?
Service Manual
2-172
Yes
Go to step 6.
Replace the sensor (booklet knife
HP). Go to
"Sensor (booklet
knife HP) removal" on
page 4-314.
Go to step 8.
Replace the booklet fold
solenoid. Go to
"Booklet fold
solenoid removal" on
page 4-253.
Go to step 10.
No
Go to step 5.
Replace the connection.
Go to step 7.
Replace the connection.
Go to step 9.
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