16. AC power supply is absent.COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)10-70CHAPTER 10 TROUBLESHOOTINGChecksDoes an E code turn on when thepower switch is turned on, and thepower switch turn off within about2 sec?Is the power plug connectedsecurely?Are the front door and the deliverycover closed securely?Is the specified voltage present atthe power outlet?Is the specified voltage presentbetween J1-1 and J1-2? (J1 is the2-pin connector on the power cordmount.)Is the circuit breaker on thenoise filter PCB off? (Use ameter.)Is the specified voltage presentbetween J13-1 and J13-2? (J13 isthe relay connector locatedbetween the noise filter PCB andthe door switch assembly.)Detach the door switch (DS1),and connect the probes of themeter to F1 and F3 or F2 and F5of the door switch (fastons). Is theresistance about 0 Ω when theactuator is pressed and ∞ Ω whenreleased?Is the wiring between the doorswitch and the composite powersupply PCB normal?CauseE code (E000,E001, E002,E003 E004)Power plugCoversMain powersupplyNoise filter PCB(circuit breaker)Noise filter PCBDoor switch(DS1)AC harnessStep123456789ResultsYESNONONOYESYESNONONOActionDisconnect theconnector (J4) of thefixing heater, and turn onthe power switch whileholing down the servicemode switch to clear theE code; then, check theerror in ‘No. 108’ ofservice mode for areference to theappropriate description.Re-connect the powerplug.Close the door or thecover.Advise the user that theproblem is not of thecopier.Go to step 7.Remove the cause; turnon the circuit breaker.Replace the noise filterPCB.Replace the door switch(DS1).Correct the wiring.
