Lexmark 5016-001 manual If the voltage on pin 6 does not change when

5016-001

G POR incomplete. Close door message displays when duplex option installed and all doors and covers on the duplex are closed.

	FRU	Action
1	Tray Present	Check the voltages on the duplex tray detect
	Detect Sensor	sensor on connector CN905.
	(S9)	Pin #		Voltage	Voltage	Voltage
	Duplex Option	5 (Red)		Signal	Closed	Open
	Controller Board			VL	+5 V dc	+5 V dc
		6 (Blue)		POSN	+5 V dc	0 V dc
		7 (Green)		DGND	0 V dc	0 V dc
		All voltages are approximate values.
		•	If the voltage on pin 5 is incorrect, replace the
			duplex option controller board.
		•	If the voltage on pin 6 does not change when
			the duplex tray is open and closed, replace the
			FRUs in the following order:
		1.	Tray detect sensor (DRSN)
		2.	Duplex option controller board
2	Duplex Upper	Check the voltages on the duplex upper unit door
	Unit Door Open	open sensor on connector CN904.
	Sensor(S6)	Pin #		Voltage	Voltage	Voltage
	Duplex Option	14		Signal	Closed	Open
	Controller Board			VL	+5V dc	+5V dc
		16 (yellow)		DOSN	+5 V dc	0 V dc
		18		DGND	0 V dc	0 V dc
		All voltages are approximate values.
		•	If the voltage on pin 14 is incorrect, replace the
			duplex option controller board.
		•	If the voltage on pin 16 does not change when
			the upper unit cover is opened and closed,
			replace the FRUs in the following order:
		1.	Duplex upper unit door open sensor
		2.	Duplex option controller board

2-126Service Manual