A SERVICE OF

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2-46 Service Manual
5021-0XX
5 If waste toner bottle is
removed, reinsert it.
Ensure rear cover
assembly 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 developer
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
developer motor.
See Developer
motor removal
on page 4-31.
Go to step 8
Go to step 6.
6 Remove I/O board shield.
See I/O board removal
on page 4-70 for steps to
remove I/O board shield.
Disconnect DCN11 from
I/O board. Check for
continuity and shorted pins
on cable that connects
DCN11 to developer motor.
Is cable okay?
Go to step 7. Replace cable.
Retest printer. If
error clears,
problem solved,
otherwise go to
step 7.
Step Questions / actions Yes No