7. The copy has vertical fogging.8. The copy has black lines (vertical, fuzzy, thick).CHAPTER 11 TROUBLESHOOTING11-72 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CausePrimarychargingassemblyScanner systemPre-exposurelampDevelopingassemblyFixing assem-bly, CleanerassemblyChecksClean the charging wire, grid wire,and shielding plate. Is the problemcorrected?Clean the scanning lamp,reflecting plate, side reflectingplate, lens, mirror, dust-proofingglass, and heat absorbing glass.Is the problem corrected?Clean the pre-exposure lamp. Isthe problem corrected?Is the developing cylinder coatedwith an even layer of toner?Step1234YES/NOYESYESYESNOYESActionEnd.End.End.Check and clean theedge of the blade of thedeveloping assembly.Check the fixing assem-bly and the cleanerassembly.