Lexmark C950 Service Manual page 140

5058-030
Step Action and questions
Check the registration drive
5
motor for proper connection.
Is the above component
properly connected?
Check the 2nd transfer roller
6
contact retract 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 PRINTER MOTOR
TESTS.
4. Touch 2nd transfer roller
retract motor (contacted).
5. Touch 2nd transfer roller
retract motor (retracted).
Does the above component
operate properly?
Check the 2nd transfer roller
7
retract motor for proper
connection.
Is the above component
properly connected?
Check the media transport/MPF
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 PRINTER MOTOR
TESTS.
4. Touch MPF feed/lift motor
(pick).
5. Touch MPF feed/lift motor
(feed) Test.
Does the above component
operate properly?
Check the media transport/MPF
9
drive motor assembly for proper
connection.
Is the above component
properly connected?
Service Manual
2-94
Yes
Replace the registration drive
motor.
Go to
"Registration drive motor
removal" on page 4-141.
Go to step 8.
Replace the printer left duplex
door assembly.
Replace the
"Printer left duplex
door assembly removal" on
page 4-136.
Go to step 10.
Replace the media transport/MPF
drive motor assembly.
Go to
"Media transport/MPF
drive motor removal" on
page 4-118.
No
Replace the connection.
Go to step 7.
Replace the connection.
Go to step 9.
Replace the connection.
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