Lexmark C510 - Page 125

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 “I/O
board removal”
on page 4-70.
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 “RIP
board cage
removal” on
page 4-57. Go
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 “Engine
controller
board removal”
on page 4-55.
Replace cable.
Step Questions / actions Yes No