28. E71329. E80030. E802CHAPTER 11 TROUBLESHOOTING11-96 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CauseMalfunctionJ716Power switch(SW1)DC controllerPCBChecksTurn off and then on the powerswitch. Is the problem corrected?Is the relay connector J716 underthe power switch (SW1) connect-ed securely?Set the meter to the × 1Ω range.Disconnect the relay connectorJ716, and connect the probe ofthe meter to the connector termi-nal on the power switch side. Isthe voltage about 30Ω?Step123YES/NOYESNONOYESActionEnd.Connect it securely.Replace the powerswitch (SW1).Check the wiring fromthe DC controller PCB tothe power switch (SW1);if normal, replace the DCcontroller PCB.CauseMalfunctionDC controllerPCBPower supplyunitChecksTurn off and on the power switch.Is the problem corrected?Replace the DC controller PCB. Isthe problem corrected?Step12YES/NOYESYESNOActionEnd.End.Check the wiring andelectrical continuity fromthe DC controller to thepower switch (SW1); ifnormal, replace the DCcontroller PCB.CauseMalfunctionConnectorSorter controllerPCBDC controllerPCBChecksTurn on and off the power switch.Is the problem corrected?Is the connector (J703) connectingthe sorter and the copier securelyconnected?Replace the sorter controller PCB.Is the problem corrected?Step123YES/NOYESNOYESNOActionEnd.Replace the DC con-troller PCB.End.Replace the DC con-troller PCB.
