Lexmark C950 Service Manual page 148

5058-030
Step Action and questions
Check the upper redrive rolls for
2
wear.
Is the above component free of
excess wear and damage?
Check the sensor (upper redrive)
3
for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch PRINTER SENSOR
TESTS.
4. Touch Sensor (Upper
redrive).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
Check the sensor (upper redrive)
4
for proper connectin.
Is the above component
properly connected?
Check the fuser motor for proper
5
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 Fuser/lower redrive/
1st transfer retract motor.
Does the above component
operate properly?
Check the fuser motor for proper
6
connection.
Is the above component
properly connected?
Service Manual
2-100
Yes
Go to step 3.
Go to step 5.
Replace the upper redrive
assembly. Go to
"Upper redrive
assembly removal" on
page 4-183.
Go to step 7.
Replace the fuser motor.
Go to
"Fuser/lower redrive/1st
BTR retract motor removal" on
page 4-91.
No
Replace the upper redrive
assembly.
Go to
"Upper redrive assembly
removal" on page 4-183.
Go to step 4.
Replace the connections.
Go to step 6.
Replace the connection.
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