37. Pick-up fails. (multifeeder)CHAPTER 11 TROUBLESHOOTING11-104 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CausePick-up roller,Pick-up/feedingroller,SeparationrollerBelt, Gear,CouplingDC controllerPCBMultifeederpick-up clutch(CL7)Multifeederpick-upsolenoid (SL10)DC controllerPCBChecksIs the orientation of the pick-uproller, pick-up/feeding roller, andseparation roller correct?Is the drive from the main motortransmitted to the multifeeder pick-up assembly through the belt,gear, and coupling?Is the leading edge of the copypaper as far as the registrationroller?Set the meter to the 30VDCrange, and connect the probe ofthe meter to J115-B1 (+) andJ115-B2 (–) on the DC controllerPCB; then, select the multifeeder.Does the voltage change from 24to 0 V when the Copy Start key ispressed?Connect the probes of the meterto J115-B11 (+) and J115-B12 (–)on the DC controller PCB. Doesthe voltage change from about 0 Vto 24 V and then to 0 V when theCopy Start key is pressed?Step123456YES/NONONOYESNOYESNOYESActionInstall the rollers correct-ly.Check the belt, gear,and coupling.See “The registrationroller fails to rotate.”Replace the DC con-troller PCB.Replace the multifeederpick-up clutch (CL7).Replace the multifeederpick-up solenoid (SL10).Replace the DC con-troller PCB.
