Canon M3010 Series Service Manual

Contents

Canon M3010 Series Service Manual Manual pdf 30 page image

22 2-152-15Technical Overview > Image Formation System > Overview/Configuration > Drum Cleaning BlockTechnical Overview > Image Formation System > Overview/Configuration > Drum Cleaning Block■ Transfer BlockThis block is comprised of two steps; it transfers toner images on the surface of thephotosensitive drum to papers.Step 4: TransferIn this step, toner images on the photosensitive drum are transferred to papers.This equipment applies DC positive bias to the transfer roller facing the photosensitive drumand charges papers positively. This enables toner negatively charged on the surface of thephotosensitive drum to be transferred to papers.DC biasTransfer rollerPhotosensitivedrumMediaStep 5: SeparationIn this step, DC negative bias is applied to the static eliminator according to the elasticity ofpapers to separate the papers from the photosensitive drum. The static eliminator is used tostabilize the paper feed system (prevention of toner stray that appears as polka-dots on printimages in a low-temperature, low-humidity environment), and neutralizes the electric chargeat the back of papers.MediaTransfer rollerStatic charge eliminatorPhotosensitivedrumF-2-15F-2-16■ Fixing BlockThis block applies pressure and heat to papers and the toner on them to fix toner images tothe papers.Step 6: FixingThis step employs on-demand fixing that fixes toner images transferred to papers on thepapers.Fixing heater Fixing filmTonerMediaPressure roller■ Drum Cleaning BlockThe drum cleaning block removes the toner remained on the photosensitive drum.Step 7: Drum cleaningIn this step, toner remained on the photosensitive drum is removed.The cleaning blade scrapes the leftover toner on the surface of the photosensitive drum; thetoner is collected into the cleaner container.By implementing the above step, the surface of the photosensitive drum is cleaned.Cleaning bladeCleaner containerPhotosensitivedrumF-2-17F-2-18