55. The fixing heater fails to operate.CHAPTER 11 TROUBLESHOOTING11-114 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CauseThermal switch(TP1)Fixing heater(H1, H2)AC driver PCBDC controllerPCBChecksSlide out the fixing assembly, andconnect the probes of the tester toboth terminals of the thermalswitch (TP1). Is there electricalcontinuity?Slide out the fixing assembly, andconnect probes of the meter toboth terminals of the fixing heater(H1, H2). Is there electrical conti-nuity?Is the voltage between theconnectors on the DC con-trollerPCB indicated in the table 5 V?Step123YES/NONONOYESNOActionReplace the thermalswitch.Replace the fixingheater.Replace the AC driverPCB.Replace the DC con-troller PCB.HeaterMain heater (H1)Sub heater (H2)(+)J102-B5J102-B3(–)J102-B1J102-B1
