Lexmark OptraTM manual Cover Interlock Service Check, D-RollAssembly Service Check, 2-16, 4026-0XX

4026-0XX

Cover Interlock Service Check

	FRU	Action
1	Right Hand	Check the right hand transfer bracket actuator
	Transfer	arm to be sure it contacts the interlock switch
	Bracket	actuator mounted in the LVPS.
		Replace the bracket if the arm is damaged or
		broken.
2	Top Cover	If the interlock switch is being actuated correctly,
	Interlock	check the continuity of the switch between
	Switch	CN7A-1 and CN7A-2 on the cable as you acti-
		vate the switch. If incorrect, replace the LVPS.
3	LVPS	Be sure the voltage at CN7-1 measures +24 V
		dc. If incorrect, turn the printer power off and
		disconnect the LVPS cable from the engine
		board. Turn the printer power on. The voltage on
		the LVPS cable pin 1 should measure approxi-
		mately +24 V dc. If incorrect, replace the LVPS.
		If correct, go to the “Low Voltage Power Supply
		Service Check” on page 2-22.
D-Roll Assembly Service Check
	FRU	Action
1	D-Roll	Check the D-roll for wear, broken, or worn parts.
		Replace as necessary.
2	D-Roll Clutch	Be sure the clutch assembly operates correctly.
	Assembly	Replace as necessary.
3	Solenoid	Be sure the paper feed solenoid operates cor-
		rectly. If the solenoid fails to pick, go to the
		“Paper Take-Up Solenoid Service Check” on
		page 2-32.
4	Paper Feed	Be sure the main drive/paper feed gears operate
	Drive Gears	correctly. Check for broken teeth or damaged
		gears. Replace as necessary.

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