COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)Table 10-505CHAPTER 10 TROUBLESHOOTING10-77NameFixing delivery detection PCBDeveloping rotary motor PCBColor toner level detection PCBWaste toner full detection PCB (light-receiving)Waste toner full detection PCB (light-emitting)High-voltage PCB 1High-voltage PCB 2Main relay PCBMultifeeder tray PCBDC controller PCBPick-up PCBMultifeeder tray paper width detectionPCBDensity detection PCBCassette 2 paper size detection PCBCassette 1 paper size detection PCBSub relay PCBColor cartridge detection PCBTemperature/humidity detection PCBPre-exposure LED relay PCBSeparation static eliminating biasPCBVideo interface PCBECO2 PCBDescriptionDetects paper passing through the fixingassembly.Controls the rotation of the developing rotary.Detects the level of color toner.Detects the waste toner cartridge (when full;light-receiving section).Detects the waste toner cartridge (when full;light-emitting section).Controls the primary charging bias, blackdeveloping bias, and color developing bias.Controls the primary transfer bias, secondarytransfer bias, secondary pre-transfer chargingbias, fixing separation bias, and ITD cleaningroller bias.Relays data among PCBs.Controls the load on the multifeeder pick-upmechanism.Controls the laser scanner, controls the videointerface, and controls the temperature of thefixing assembly.Controls the load on the cassette pick-upmechanism.Detects the width of paper when the multi-feeder tray is selected.Detects the density of toner (each color).Detects the size of paper in the cassette 2.Detects the size of paper in the cassette 1.Relays data among loads.Detects the presence/against of each colortoner cartridge.Checks the environment inside the machine.Relays data among loads.Controls the separation static eliminatingbias.Relays data between reader unit and DCcontroller PCB.Assists the DC controller PCB.Ref.qwertyuio!0!1!2!3!4!5!6!7!8!9@0#5#9Download free service manual at http://printer1.blogspot.com
