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Diagnostic information 2-49
5021-0XX
6 If waste toner bottle is
removed, reinsert it.
Ensure rear cover
assembly cover is shut.
Override top and front
cover interlock switches.
For location, see
Interlock switch
locations on page 5-8.
Reconnect operator panel.
Turn printer on. Allow
printer to run until error
posts. Disconnect
connector from main motor
and check the following on
disconnected cable
connector:
Pin 4 to pin 524VDC
Pin 6 to pin 524VDC
Pin 10 to pin 55VDC
Are voltages present?
Replace main
motor. See
Main motor
assembly
removal on
page 4-38. Go
to step 9.
Go to step 7.
7 Remove I/O board shield.
See I/O board removal
on page 4-70 for steps to
remove I/O board shield.
Disconnect DCN12 from
I/O board. Check for
continuity and shorted pins
on cable that connects
DCN12 to main motor. Is
cable okay?
Go to step 8. Replace cable.
Retest printer. If
error clears,
problem solved,
otherwise go to
step 8.
Step Questions / actions Yes No