Lexmark 5016-001 manual Media does not feed from MPT, 250 paper jam message displays

5016-001

A Media does not feed from MPT, 250 paper jam message displays.

	FRU	Action
1	Gear B1	Check PF gear B1, and gear 4 to be sure they
	Gear 4	turn. If any problem is found, repair as necessary.
	PF Bushing
2	Clutch Gear	Check all the MPT paper feed gears for signs of
	Paper Feed	worn, loose or broken parts.
	Drive Gear
	Paper Feed	Check the gear pressure spring. Replace any
	Idler Gear	broken or worn parts.
	Fulcrum Gear
	Drive Gear
3	Bypass Paper	Be sure the sensor cables are properly connected
	Detect Sensor	and are not cut or damaged. Be sure the ribbon
	Bypass Paper	cable that attaches the MPT sensor and clutch to
		the base printer is not cut or damaged. This may
	Detect Sensor	happen if caught between the printer frame and
	Cables	front cover assembly.
	Bypass Paper	Check the bypass detect sensor flag for proper
	Detect	operation.
	Sensor Flag	Check the voltages for the bypass paper detect
	Engine Board	sensor and paper feed clutch. The sensor can be
		checked with the front cover in the down position.
		Check pin 2, while activating the sensor flag in the
		MPT tray. Check the voltages on CN12 for the
		bypass paper detect sensor.
		Pin #	Voltage	Signal	Signal
			Signal	Static	Activated
		1 (Brown)	+5 V dc	+5 V dc	+5 V dc
		2 (Red)	KAMIARIO	0 V dc	+5 V dc
		3 (Orange)	DGND	0 V dc	0 V dc
		4 (Yellow)	VP	+24 V dc	+24 V dc
		5 (Blue)	- SL4ON	+24 V dc	0 V dc

All voltages are approximate values.

•If the voltages on pins 1 and 4 are incorrect, replace the engine board.

•If the voltage on pin 2 does not change, replace the sensor.

•If this does not fix the problem, replace the engine board.

2-36Service Manual