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Diagnostic information 2-97
5021-0XX
Waste toner bottle service check
Step Questions / actions Yes No
1 Remove waste toner bottle
from printer. Inside waste
toner bottle holder, check
sensor flag. Does flag work
properly and is it not
damaged?
Go to step 2. Replace waste
toner bottle
holder. See
Waste toner
bottle holder
removal on
page 4-32.
2 Reinstall waste toner
bottle. Does error clear?
Problem solved. Go to step 3.
3 Replace waste toner bottle
holder. See Waste toner
bottle holder removal on
page 4-32. Does error
clear?
Problem solved. Go to step 4.
4 Replace I/O board.
See I/O board removal
on page 4-70. Does error
clear?
Problem solved. Replace engine
controller board.
See Engine
controller
board removal
on page 4-55.