COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-67CauseFixing assem-bly inlet guideLower fixingrollerUpper fixingrollerFace-downdelivery roller,Face-up deliv-ery rollerPaper guide,Secondarytransfer belt,Feeding roller,RegistrationrollerStep12345678Yes/NoNOYESYESYESNOYESNOYESYESActionGo to step 2.Go to step 8.Clean the fixing assem-bly inlet guide.Replace the lower fix-ing roller.Replace the lower fix-ing roller.Clean the upper fixingroller.Replace the upper fix-ing roller.Clean the problemdelivery roller.Check the paper path,and clean the problempart.ChecksExecute test printing in servicedmode; then, open the front coverbefore the print paper enters the fix-ing assembly. At this time, is theprint paper wrinkled or its leadingedge bent?Is the fixing assembly inlet guidesoiled?Is the lower fixing roller soiled?Is the lower fixing rollerscratched/deformed?Is the upper fixing roller soiled?Is the upper fixing rollerscratched/deformed?Is the face-down delivery roller orthe face-up delivery roller coatedwith foreign matter or dirt?Is the paper guide, secondary trans-fer belt, feeding roller, or registrationroller coated with foreign matter ordirt?2 Wrinkles/Bending (leadingCauseFeeding roller,Registrationroller,SeparationguideRegistrationrollerStep12Yes/NoYESYESActionClean the problem part.If the spring isdeformed, replace it. Ifit is displaced, positionit correctly.ChecksIs the feeding roller, registrationroller, or separation guide coatedwith paper lint or dust?Is the spring of the registration rollerdeformed? Is the spring displaced?3 SkewDownload free service manual at http://printer1.blogspot.com