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2-50 Service Manual
5055-01x
7 Exchange the expansion
feeder control board for the
problem tray with one above or
below. Does the symptom
follow the exchanged card?
Replace the
defective
expansion
feeder control
card.
Replace the
upper and
lower
expansion
paper feed
drawer
connecting
cable
assemblies.
8 Are any of the pins or contacts
on the duplex drawer
connectors bent or damaged?
Go to step 9. Repair or
replace the
connector.
9 Are connectors CN101 and
CN102 on the duplex interface
card properly connected?
Go to step 10. Properly
connect the
connectors.
10 Replace the duplex interface
card. Does this fix the
problem?
Problem
solved.
Return the
duplex
interface card
and go to step
11.
11 Replace the duplex interface
cable. Does this fix the
problem?
Problem
solved.
Go to step 12.
12 Are CN37 and CN38 on the
printer controller board
properly connected?
Replace the
printer
controller
board. If the
problem
remains,
replace the
duplex
connector
cable.
Properly
connect the
connectors.
Step Questions / Actions Yes No
Service.bk Page 50 Thursday, October 4, 2001 12:20 PM