Lexmark OptraTM manual Main Drive Motor Service Check, Fru

4026-0XX

Main Drive Motor Service Check

	FRU	Action
1	Main Drive	Disconnect CN6 from the engine board. Check
	Motor	the motor for shorts between each pin on CN2
		and the motor case. If continuity is indicated,
		replace the motor.
		Check the resistance between the following pins
		on the cable connector. If incorrect, replace the
		motor. If correct, replace the engine board.
		CN2-1 to CN2-2, 8 - 10 ohms
		CN2-1 to CN2-1, 8 - 10 ohms
		CN2-1 to CN2-4, 8 - 10 ohms
		CN2-2 to CN2-3, 8 - 10 ohms
		CN2-2 to CN2-4, 8 - 10 ohms
		CN2-3 to CN2-4, 8 - 10 ohms
		CN2-1 to CN2-5, 3 - 5 ohms
		CN2-2 to CN2-5, 3 - 5 ohms
		CN2-3 to CN2-5, 3 - 5 ohms
		CN2-4 to CN2-5, 3 - 5 ohms
2	Left Side	Remove the toner cartridge and print cartridge.
	Frame Gears	Manually rotate the paper feed gears on the left
		side frame assembly and check for smooth
		movement with no binds. If there are binds or
		the gears do not turn, repair as necessary.
3	Paper Feed	Be sure the paper feed frame assembly is cor-
	Frame	rectly installed and the drive gear is engaging
	Assembly	correctly.
4	Associated	Check the fuser gears, print cartridge, transfer
	Gears	roll gear and photoconductor unit gears to make
		sure they turn freely. Repair as necessary.

Diagnostic Information 2-25