COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001CHAPTER 6 TROUBLESHOOTING6-1575.2 Faulty Feeding5.2.1 Double FeedingSeparation roller, Spring1) Is the separation roller deformed or worn?YES: Replace the separation roller.NO: Replace the spring used to pull the separation roller.5.2.2 WrinklesPickup assembly1) Turn off the power while paper is moving through the feeding as-sembly. At this time, is the paper wrinkled? Or is it moving askew?YES: Check the pickup assembly. Check the registration roller.Paper2) Try fresh paper. Is the problem corrected?YES: The paper may be moist. Advise the user on the correct method ofstoring paper.3) Try paper of a recommended type. Is the problem corrected?YES: Advise the user to use paper of a recommended type.Fixing assembly, Paper guide4) Is the paper guide soiled with toner or the like?YES: Clean the guide with solvent.5) Is the height (position) of the paper guide correct?NO: Adjust the height (position) of the paper guide.Lower roller pressure, Upper/Lower roller pressure6) Is the lower roller pressure (nip width) as indicated?NO: Adjust the nip width.YES: Try replacing the upper and lower rollers one after the other.
