Diagnostic information 2-25
5021-0XX
Symptom tables
Printer symptom table
Symptom Action
Operator panel buttons do not
work
See “Operator panel service
check” on page 2-84.
Operator panel display is blank,
printer beeps 5 times
See “Operator panel service
check” on page 2-84.
Operator panel continuously
displays all diamonds and beeps
5 times
See “Operator panel service
check” on page 2-84.
Operator panel display is blank,
but printer does not beep
Replace operator panel assembly.
Paper feed problems See “Paper feed service checks”
on page 2-99.
Close door displayed when all
doors are closed
See “Operator messages” on
page 2-9 and follow the action
suggested.
Printer does not reset or change
user settings
See “Operator messages” on
page 2-9 and follow the action
suggested.
Paper jam messages do not reset
after removing paper
See “Operator messages” on
page 2-9 and follow the action
suggested.
Toner cartridge does not turn or
does not put toner on the
photodeveloper cartridge.
See “Toner feed service check”
on page 2-91.
Developer motor makes noise or
continuously runs
See “910—Developer motor
service check” on page 2-45.
Main motor makes noise or
continuously runs
See “911—Main motor service
check” on page 2-48.
Transfer belt unit makes noise
when rotated or does not rotate at
all
See “990—Transfer belt unit
service check” on page 2-65.
