11-68CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)18 The copy has a blurred image.CauseScanner drivecableScanner railScanner driveassemblyPhotosensitivedrumDevelopinggearDrum gearassemblyChecksIs the cable overlapping on thecable pulley while the scanner ismoving? Is the cable too slack ortaut?Is the scanner rail soiled?Is there foreign matter on thescanner rail?Is any of the teeth of the gear inthe scanner drive assemblychipped?Is the problem noted at intervalsof about 9.4 cm?Is the problem noted at intervalsof about 3.3 cm?Step12345YES/NOYESYESYESYESYESNOAction1. Re-route the cable.2. If the cable is twistedor frayed, replace it.Clean the surface of thescanner rail.Replace the gear.1. Check the drum drivegear.2. Check the edge ofthe drum (in contactwith the developingroll) for scratchesand protrusions).Check the developingassembly.Check the drum driveassembly.Download Service Manual And Resetter Printer at http://printer1.blogspot.com
