Lexmark 5021-0XX manual Symptom tables, Printer symptom table

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

Diagnostic information 2-25