15., 16., 17. The copy has displaced leading edge registration.CHAPTER 11 TROUBLESHOOTING11-79COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CauseOriginalCopy paperPick-up rollerLeading edgemarginRegistrationclutch,RegistrationrollerDC controllerPCBChecksIs the original placed correctly?Is the paper of a typerecommended by Canon?Make copies using the paper deckand each of the cassettes. Is theproblem noted on all copies?Has the pick-up roller reached itsaverage life?Adjust the leading edge margin. Isthe problem corrected?Set the meter to the 30DC range,and measure the voltage betweenJ108A-5 (+) and J108A-6 (–) onthe DC controller PCB. Does itchange from 24 to 0 Vinstantaneously while the scanneris moving forward?Step123456YES/NONONOYESNOYESYESYESNOActionPlace it correctly.Try recommended paper.If the results are good,advise the user to userecommended paper.Go to step 4.Check each pick-upsystem.If wear is noted on thepick-up roller, replace it.End.1. Check the No. 1registration clutch.2. Check the registrationroller for deformationand wear.Replace the DCcontroller PCB.