Lexmark C935 Series, Service Manual

Page: 178 / 630

2-86
Printer Service Manual
5057-XXX
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904.03 Sensor (2nd transfer roll retract HP) late error
6
Check the transfer belt steering motor assembly for proper
operation.
Caution: 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 Transfer belt steering motor.
Does the above component operate properly?
Go to step 5. Go to step 4.
7
Check the transfer belt steering motor for proper
connection.
Is the above component properly connected.
Replace the
transfer belt
steering motor.
Go to “Transfer
belt steering
motor removal”
on page 4-76
.
Replace the
connection.
If the problem
persists, contact
the next level of
support.
Step Check Yes No
1 Perform a POR.
Does the error occur when the power is turned off/on?
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
2
Check to ensure that the transfer belt lift mechanism is
functioning properly. See
“Transfer belt lift mechanism
adjustment” on page 4-228 .
Does the error remain?
Go to the next
step. The problem is
resolved.
3 Check the sensor (2nd transfer roll HP) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch
Base Sensor Tests.
3. Touch Media Path.
4. Touch 2nd transfer roll retract HP.
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked?
Go to step 4. Go to step 3.
4 Check the sensor (2nd transfer roll HP) for proper
connection.
Is the above component properly connected?
Replace the
sensor (2nd
transfer roll retract
HP)
.
Go to “Sensor
(2nd transfer roll
retract HP)
removal” on
page 4-34
.
Replace the
connection.
Step Check Yes No