Lexmark 5016-001 manual Fuser Cold Service Check

5016-001

Fuser Cold Service Check

922 Error - Fuser below maintenance count.

Note: If selected, turn Power Saver off.

Error codes 920, 921 and 922 may display for a cold fuser failure. A 920 fuser error caused by low line voltage may be cleared by turning the printer on and off.

	FRU	Action
1	Fuser Assembly	Be sure the fuser assembly is correctly installed
	Fuser Lamp	and locked down. Disconnect the AC power
		cord from the printer. Disconnect CN406 from
	Circuit	the LVPS board and check for continuity
		between pins 1 and 2 on the CN406 cable
		connector.
		•	If incorrect, go to step 2.
		• If correct, check the voltage between CN406
			Pin 1 and 2. The voltage should read the
			same as the AC line voltage.
			• If incorrect replace the LVPS.
2	Fuser Lamp	Remove the fuser assembly from the printer.
	Thermostat	Note: Take care not to damage any pins when
	Fuser Lamp	checking continuity.
	Contacts	Check continuity between the two outer fuser
		lamp contacts of the autoconnector (HCU cable)
		located on the bottom of the fuser assembly.
		•	If correct, go to step 3.
		•	If incorrect, check the fuser lamp, thermostat,
			fuser lamp contacts and HCU cable, replacing
			any defective parts.
3	Interlock Switches	Go to the “Cover Interlock Service Check” on
		page 2-45.

Diagnostic Information 2-51