COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-64CauseFace-up flap-perFace-up/face-down deliveryrollerFace-down traydelivery papersensor (PS11)5-V line (face-down traydelivery papersensor PS11)Face-down traydelivery papersensor (PS11)Face-down trayfull paper sen-sor (PS10)Face-down trayfull paper sen-sor (PS10)Duplexing flap-perDC controllerPCBStep123456789Yes/NoYESYESNOYESNOYESYESYESNOYESActionClean the flapperReplace the wornroller.Check the gear forwear and deformation.Position the sensorlever correctly.Replace the damagedor deformed lever.Position the sensorlever correctly.Connect the connec-tors securely.Replace the sensor.Replace the damagedor deformed lever.Position the sensorlever correctly.Replace the sensor.Position the flappercorrectly. If damaged,replace it.Replace the DC con-troller PCB.ChecksIs the face-up flapper soiled,scratched, or coated with toner?Is the face-up/face-down deliveryroller worn?Does the face-up/face-down deliveryroller rotate smoothly?Is the face-down tray delivery papersensor lever damaged or deformed?Is the sensor lever displaced?Are the connectors J220 on the DCcontroller PCB, connector J10 of theface-down tray delivery paper sen-sor, relay connector J12, and con-nectors J705 and J706 on the devel-oping rotary CB connected secure-ly?Replace the face-down tray deliverysensor. Is the problem corrected?Is the face-down tray full paper sen-sor lever damaged or deformed? Isthe sensor lever displaced?Replace the face-down tray fullpaper sensor. Is the problem cor-rected?Does the duplexing flapper movesmoothly? Is it damaged?4 Delivery AssemblyDownload free service manual at http://printer1.blogspot.com
