11-102CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)B. Troubleshooting Malfunctions in the Pedestal1 E901CausePedestal motor(M1)Pedestalcontroller PCBDC controllerPCBChecksSet the meter to the 100VDCrange, and measure the voltagebetween J109-1 (+; PEDMD) andJ109-4 (-) on the pedestalcontroller PCB.Does the voltage change to about5 V when WMUPR starts after thepower switch has been turned on?Replace the pedestal controllerPCB. Is the problem corrected?Step12YES/NOYESYESNOActionReplace the pedestalmotor.End.Check the wiring fromthe DC controller PCB tothe pedestal controllerPCB; if normal, replacethe DC controller PCB.Download Service Manual And Resetter Printer at http://printer1.blogspot.com
