CHAPTER 10 TROUBLESHOOTING10–68 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)2. Fixing/Delivery AssemblyCause Step Checks ActionsSeparation claw(delivery assembly)12345678YESYESYESNOYESNONONOYES1. Replace the separationclaw.2. If dirt is found, clean it.Replace the roller.Clean the paper guide.Adjust the height.Adjust it.Adjust the lever so that itmoves smoothly.Replace the sensor.Check the delivery roller driveassembly.Check the copy to see if it hasa leading edge.Yes/NoUpper/lowerfixing roller,HeatdischargingrollerPaper guideNipDelivery leverDelivery papersensor(PS06)Delivery rollerdrive assemblyIs the separation claw worn, deformed, orsoiled?Is the upper/lower fixing roller or the heatdischarging roller deformed or damaged?Is the paper guide soiled with toner or thelike?Is the height of the paper guide correct?Is the lower roller pressure (nip) asindicated?Does the delivery detecting lever movesmoothly?Does the delivery sensor operate normally?(See the instructions on how to check thephotointerrupters.)Does the delivery roller move smoothly?Leading edgemarginFixing assemblyDelivery assembly
