Lexmark C950 Service Manual page 176

5058-030
Step Action and questions
Check the media transport/MPF
11
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
(feed).
5. Touch MPF feed/lift motor
(pick).
Does the above component
operate properly?
Check the media transport/MPF
12
drive motor assembly for proper
connection.
Is the above component
properly connected?
Check the registration clutch for
13
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 Registration clutch.
Does the above component
operate properly?
Check the registration clutch for
14
proper connection.
Is the above component
properly connected?
POR the machine.
15
Does the error continue?
Service Manual
2-128
Yes
Go to step 13.
Replace the media transport/MPF
drive motor assembly.
Go to
"Media transport/MPF
drive motor removal" on
page 4-118.
Go to step 15.
Replace the registration/transport
roller assembly.
Go to
"Registration/transport
roller assembly removal" on
page 4-143.
Replace the lower engine PCBA.
Go to
"Lower engine PCBA
removal" on page 4-98.
No
Go to step 12.
Replace the connection.
Go to step 14.
Replace the connection.
Problem resolved
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