Lexmark 5021-0XX - Manual (Page 103)

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 .