Canon NP6218, FY8-13EX-000 service manual AC power supply is absent, 10-70

CHAPTER 10 TROUBLESHOOTING

16. AC power supply is absent.

Cause	Step	Checks	Results	Action
E code (E000,	1	Does an E code turn on when the	YES	Disconnect the
E001, E002,		power switch is turned on, and the		connector (J4) of the
E003 E004)		power switch turn off within about		fixing heater, and turn on
		2 sec?		the power switch while
				holing down the service
				mode switch to clear the
				E code; then, check the
				error in ‘No. 108’ of
				service mode for a
				reference to the
				appropriate description.
Power plug	2	Is the power plug connected	NO	Re-connect the power
		securely?		plug.
Covers	3	Are the front door and the delivery	NO	Close the door or the
		cover closed securely?		cover.
Main power	4	Is the specified voltage present at	NO	Advise the user that the
supply		the power outlet?		problem is not of the
				copier.
	5	Is the specified voltage present	YES	Go to step 7.
		between J1-1 and J1-2? (J1 is the
		2-pin connector on the power cord
		mount.)
Noise filter PCB	6	Is the circuit breaker on the	YES	Remove the cause; turn
(circuit breaker)		noise filter PCB off? (Use a		on the circuit breaker.
		meter.)
Noise filter PCB	7	Is the specified voltage present	NO	Replace the noise filter
		between J13-1 and J13-2? (J13 is		PCB.
		the relay connector located
		between the noise filter PCB and
		the door switch assembly.)
Door switch	8	Detach the door switch (DS1),	NO	Replace the door switch
(DS1)		and connect the probes of the		(DS1).
		meter to F1 and F3 or F2 and F5
		of the door switch (fastons). Is the
		resistance about 0 Ω when the
		actuator is pressed and ∞ Ω when
		released?
AC harness	9	Is the wiring between the door	NO	Correct the wiring.
		switch and the composite power
		supply PCB normal?

10-70 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)