Lexmark 5021-0XX User Manual
Page 164
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2-86
Service Manual
5021-0XX
6
Turn printer off. Check
cable for continuity that
connects DCN7 pins 7, 8,
and 9 to output tray full
sensor. Also check for
shorted pins. Is cable
okay?
Replace paper
exit assembly.
See
assembly
removal” on
page 4-49
Replace cable.
7
Touch positive lead to
DCN13 pin 9 and pin 11 to
ensure 5 VDC is being
supplied to I/O board. Is 5
VDC present?
Replace I/O
board. See
Go to step 8.
8
Check cable continuity
between LVPS ACN1 and I/
O board DCN13. Also
check for shorted pins. Is
cable okay?
Replace LVPS.
See
voltage power
supply (LVPS)
with cage
removal” on
page 4-60
Replace cable.
Step
Questions / actions
Yes
No
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