Lexmark C950 Service Manual page 211

Step Action and questions
Check the booklet end guide by
4
moving it manually.
Does the above component
slide up and down properly?
Check the sensor (booklet end
5
guide HP) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (booklet end
guide HP.
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
6 Is the sensor (booklet end
guide HP) properly connected?
Check the booklet end guide
7
drive 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 Booklet end guide
drive motor.
Does the above component
operate properly?
8 Is the booklet end guide drive
motor properly connected?
Perform a POR.
9
Does the error continue when
the power is turned off/on?
Perform a POR.
10
Does the error continue when
the power is turned off/on?
Yes
Go to step 5.
Go to step 7.
Replace the sensor (booklet end
guide HP). Go to
"Sensor
(booklet end guide HP)
removal" on page 4-312.
Go to step 9.
Replace the booklet end guide
drive motor. Go to
"Booklet end
guide drive motor removal" on
page 4-252.
Replace the booklet controller
card assembly. Go to
"Booklet
controller card assembly
removal" on page 4-250.
Replace the finisher PCBA. Go to
"Finisher PCBA removal" on
page 4-281.
5058-030
No
Remove obstructions.
Go to step 6.
Replace the connection.
Go to step 8.
Replace the connection.
Problem resolved
Problem resolved
Diagnostic information
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