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5055-01x
Step
Questions / Actions
7
Exchange the expansion
feeder control board for the
problem tray with one above or
below. Does the symptom
follow the exchanged card?
8
Are any of the pins or contacts
on the duplex drawer
connectors bent or damaged?
9
Are connectors CN101 and
CN102 on the duplex interface
card properly connected?
10
Replace the duplex interface
card. Does this fix the
problem?
11
Replace the duplex interface
cable. Does this fix the
problem?
12
Are CN37 and CN38 on the
printer controller board
properly connected?
2-50
Service Manual
Yes
Replace the
defective
expansion
feeder control
card.
Go to step 9.
Go to step 10.
Problem
solved.
Problem
solved.
Replace the
printer
controller
board. If the
problem
remains,
replace the
duplex
connector
cable.
No
Replace the
upper and
lower
expansion
paper feed
drawer
connecting
cable
assemblies.
Repair or
replace the
connector.
Properly
connect the
connectors.
Return the
duplex
interface card
and go to step
11.
Go to step 12.
Properly
connect the
connectors.
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