Lexmark 4402-001 Gear Train Assembly Service Check, Assembly Removal on, Print Engine Removal on

4402-001

Gear Train Assembly Service Check

CCD will not move or scan.

	FRU	Action
1	Gear Train Assembly	Disconnect J5 and check the reading
		at pin 1 and 3 for approximately
		225.5 ohms. If the reading is
		incorrect, replace the gear train
		assembly. Go to the “Gear Train
		Assembly Removal” on page 4-6.
		If the reading is correct, check at
		pins 1 through 6 for approximately
		28 volts, with the machine turned on.
		If the voltage is incorrect, replace the
		system board. Go to the “System
		Board Removal” on page 4-12.
		Note: Ensure scanner is unlocked.
2	Scanner Belt	Check the belt for proper installation.
		If the belt is damaged, replace. Go to
		the “Belt/Idler Pulley Assembly
		(Print Engine) Removal” on
		page 4-14.
		Note: If not properly installed, the
		belt will slip.

Diagnostic Information 2-9