Lexmark 5021-0XX - Manual (Page 124)

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 5—24VDC
Pin 6 to pin 5—24VDC
Pin 10 to pin 5—5VDC
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