2-36 Service Manual
5022-xxx
145.xx and 906.05–906.08—Motor (bump aligner) error service check
146.xx—Motor (duplex) error service check
Step Questions / actions Yes No
1 Is the top access door completely closed? Go to step 2. Close the top access door.
2
Open the top access door, and slowly close it.
You should hear the top access door 24 V
interlock switch closing when the door almost
shuts. If you do not, check the switch for
damage.
Is the switch damaged?
Replace the top access door
24 V interlock switch. See
“Top access door 24 V
interlock switch removal”
on page 4-85.
Go to step 3.
3
Close the top access door. Turn printer power
on, and check for 24 V dc between JCVR1 pin
1 (red wire) and ground.
Note: The ground lead of the voltmeter can be
placed on the metal frame to obtain ground.
Is voltage present?
Replace the top access door
24 V interlock switch. See
“Top access door 24 V
interlock switch removal”
on page 4-85.
Go to step 4.
4
Replace the bump aligner motor. See “Bump
aligner motor removal” on page 4-40.
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
Step Questions / actions Yes No
1 Is the top access door completely closed? Go to step 2. Close the top access door.
2
Turn the printer off, and remove the rear cover.
Check the connector JDUPLX1 for proper
connection to the system card, the cable for
pinch points, and the cable or connector for
any other damage.
Is the cable damaged?
Replace the duplex front
door assembly. See “Front
door assembly removal”
on page 4-55.
Go to step 3.
3
Close the front access door. Turn the power
on, and check for 24 V dc between JCVR1
pin 1 (red wire) and ground.
Note: The ground lead of the voltmeter can be
placed on the metal frame to obtain ground.
Is voltage present?
Replace the top access door
24 V interlock switch. See
“Top access door 24 V
interlock switch removal”
on page 4-85.
Go to step 4.
4
Replace the duplex front door assembly. See
“Front door assembly removal” on
page 4-55.
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
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