Lexmark 5021-0XX User Manual
Page 125
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Diagnostic information
2-47
5021-0XX
7
Disconnect cable from
DCN13 on I/O board.
Check the following on
disconnected cable
connector:
Pin 1 to pin 2—24VDC
Pin 9 to pin 12—5VDC
Are voltages present?
Replace I/O
board. See
Go step 8.
Replace cable
that connects
ACN1 on LVPS
to DCN13 on I/O
board. Remove
RIP board cage
to gain access to
cable. See
board cage
removal” on
page 4-57
to step 8.
8
Reassemble and retest
printer. Does error clear?
Problem solved.
Go to step 9.
9
Check cable that connects
engine controller board
connector I2CN to I/O
board connector DCN3 for
continuity and pin shorts. Is
cable okay?
Replace engine
controller board.
See
controller
board removal”
on page 4-55
Replace cable.
Step
Questions / actions
Yes
No
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