Chapter 66-96.8.3 Separation Mechanism6.8.3.1 Static Eliminator Bias Control 0017-4357Two types of biases, a high-output bias and a low-output bias, are applied to the static eliminator using the static eliminator bias drive signal (/DISDCFOT) andstatic eliminator bias output level signal (/DSCPWM) issued from the DC controller PCB according to the type of the print sequence, thus allowing the printingpaper to separate easily from the photosensitive drum.F-6-146.9 Photosensitive Drum Cleaning6.9.1 Outline 0017-4360Toner reaming on the photosensitive drum after image transfer is scraped by the photosensitive drum cleaner blade and is fed in the waste toner box.6.9.2 Waste Toner Full Detection 0017-4362The waste toner collected by the cleaner blade is fed to the waste toner box using the waste toner feed screw in the drum unit. A torque limiter is provided at theend of the waste toner feed screw is provided with a torque limiter. When the waste toner box is filled with waste toner, the torque limiter goes on to stop the wastertoner feed screw. As a result, the sensor flag of the waster toner full sensor (SR206) is pushed intermittently, reporting the waste toner full condition to the DCcontroller PCB.F-6-15[1] Cleaner blade[2] Waste toner stirring rod[3] Waste toner box[4] Torque limiter[5] DrumMEMO:The waste toner box is capable of storing about 630 g of toner./DSCPWM/DISDCFOTTo static eliminatorStatic eliminator bias circuitASICCPUStatic eliminator biasgeneration circuitHigh-voltage power supply PCBDC controllerPCBJP9/JP10[3][5][4]SR206[1][2]
