SSS aaa Sa OF A ATIONS AND TIMINGG. DevelopingAssembly/CleaningAssembly1. OutlineThe developing assembly is locked or The developing assembly and the wasteteleased manually by operating the locking toner feeding blade are driven by the drive oflever. the main motor (M1) transmitted by the driveThe primary charging roller is cleaned by gear. The waste toner scraped by the clean-the cleaning pad operated by the cleaning ing blade is forwarded inside the drum unitsolenoid. by the toner feeding blade for collection.The level of toner inside the developingassembly is monitored by the toner antenna.DC controller PCBMainmotordrivesignal(MMD) Tonerlevelsignal{TNMONI)Composite power supply PCBToner leveldetection PCB(MMD)Cleaningbladedrivesignal(CSLD)MainmotordrivesignalWastetonerdetectionsignal(TNFULL)PSS”Waste tonersensorTTS |PGP PCBmodel with automaticindication of drum unitDrum unitDevelopingT : " assemblyCleaning blade oner antennaWaste toner feeding bladeFigure 3-313COPYRIGHT © 1995 CANON INC. CANON NP6012/NP6DI2F /NP6212 REV.1 SEPT.1995 PRINTED IN JAPAN ((MPRIME AU JAPON) 3-29