Lexmark 5016-001 manual Toner Low/Empty Sensor Service Check

5016-001

Toner Low/Empty Sensor Service Check

Note: Check the print darkness menu setting before checking the toner sensor. This service check is intended to be used when a 929 service error displays.

	FRU	Action
1	Developer Drive	Incorrect operation of the developer drive
	Assembly	assembly can cause the printer to display a 929
		error code. Check the developer drive assembly
		for correct installation, signs of wear, or loose or
		broken parts.
2	Toner Sensor	Be sure the toner sensor assembly cable is
	Cable	properly seated into the toner sensor.
		• If correct at both the sensor and engine board
			(J10), check the continuity of the cable.
		•	If incorrect, replace the cable.
3	Toner Sensor	The toner sensor cable is part of the front harness
		and part of connector J10 on the engine board.
		Check the voltage at J1-011. It should read
		approximately + 5 V dc.
		•	If incorrect, replace the engine board.
		•	If correct, check the voltage at J10-12. It should
			read approximately +5 V dc with the controller
			board removed from the printer.
			• If incorrect, replace the engine board.
			• If correct, replace the toner sensor assembly.
		A bad ground connection between J10-13 on the
		engine board and pin 3 on the toner sensor results
		in a 929 service error.

Diagnostic Information 2-97