CHAPTER 5 IMAGE FORMATION SYSTEMCOPYRIGHT © 22002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 20025-146 Monitoring the Waste Toner Case6.1 OutlineWaste toner is collected by the cleaning blade inside the drum, and is kept in the wastetoner assembly.The waste toner inside the waste toner assembly is constantly stirred by the stirring roddriven by the main motor. The tip of the stirring rod is equipped with a torque limiter unit,which goes ON when the waste toner assembly becomes full and the rod can no longer stirthe waste toner; as a result, the sensor lever of the waste toner case full sensor (PS120) willbe pushed, causing the machine to know that the waste toner case has become full.F05-601-01Cleaning bladeWaste tonner assemblyPS120torque limiter unitDrumToner stirringrod
