Canon FY8-23AV-000 manual Pick-up fails, Scanning lamp fails to go on

CHAPTER 4 TROUBLESHOOTING MALFUNCTIONS

7. Pick-up fails.

Cause	Step	Checks	YES/NO	Remedies
	1	Move the copyboard to the left	YES	See “Pick-Up Assembly” in
		until it stops, and open the top		“Troubleshooting Feeding
		cover. Does the pick-up roller		Faults.”
		rotate when the door switch is
		turned ON and the Copy Start
		key is pressed at the correct
		pick-up timing?
Main motor (M1)	2	Is the main motor rotating?	NO	See “The main motor fails
				to rotate.”
Pick-up sensor (Q131)	3	Does the copier operate nor-	YES	Check the sensor lever.
		mally when the pick-up sensor
		(Q131) is blocked with paper?
Pick-up solenoid (SL1;	4	Set the meter to the ‘30VDC’	YES	Check the spring clutch in
PC420/430/FC220),		range. Does the voltage		the registration assembly
Registration solenoid		between J201-6 (+) and J201-7		and pick-up assembly; if
(SL1; PC400/FC200)		(-) on the DC controller/DC		normal, replace the
		power supply PCB change to		solenoid.
		about 24 V at pick-up timing?
DC controller/			NO	Check the wiring from the
DC power supply PCB				solenoid to the DC con-
				troller/DC power supply
				PCB; if normal, replace
				the DC controller/DC
				power supply PCB.

8. The scanning lamp fails to go ON.

Cause	Step	Checks	YES/NO	Remedies
Scanning lamp	1	Is the scanning lamp unit	NO	Re-attach the lamp unit.
(LA1-LA8)		attached correctly?
Scanning lamp	2	Is the scanning lamp black?	YES	Replace the scanning
(LA1-LA8)				lamp unit.
DC controller/DC	3	Is the connector of the scanning	YES	Replace the DC controller/
power supply PCB		lamp connected firmly?		DC power supply PCB.
Connector			NO	Re-connect the connector.

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