Lexmark 5021-0XX Go to 910-Developer motor service check on, Go to 913-Fuser fan service check on

	5021-0XX
Error code	Action
910	Go to “910—Developer motor service check” on
Developing motor	page 2-45.
(DM) error
911	Go to “911—Main motor service check” on
Main motor (MM)	page 2-48.
error
912	Go to “912—Power supply fan service check” on
Power supply fan	page 2-51.
(PSFAN) error
913	Go to “913—Fuser fan service check” on
Fuser fan (FUFAN)	page 2-52.
error
914	Go to “914—Laser fan service check” on
Laser fan error	page 2-53.
915	Go to “915—Erase lamp service check” on
Erase lamp error	page 2-54.
916	Go to “916—Toner empty sensor (sender-TPD)
Toner empty sensor	service check” on page 2-56.
connection error 1
(TPD)
917	Go to “917—Toner empty sensor (receiver-TTR)
Toner empty sensor	service check” on page 2-57.
connection error 2
(TTR)
918	Go to “918—HVPS connection service check” on
High voltage power	page 2-58.
supply connection
error
919	Go to “919—Lower feed unit (secondary paper
Secondary paper	assembly) service check” on page 2-59.
feed assembly error

Diagnostic information 2-3