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Diagnostic information 2-91
5021-0XX
Toner feed service check
Step Questions / actions Yes No
1 Check toner cartridge for
damage. Check to see if
toner cartridge moves
easily into and out of
printer. Is toner cartridge
damaged or is there
resistance moving in and
out of printer?
Replace toner
cartridge.
Go to step 2.
2 Is developer motor
damaged?
Replace
developer motor.
See Developer
motor removal
on page 4-31.
Go to step 3.
3 Is developer drive
assembly damaged?
Replace
developer drive
assembly. See
Developer
drive assembly
removal on
page 4-32.
Replace toner
retract system.
See Toner
retract solenoid
and cam
removal on
page 4-64.