[1][4][6]Cleaning BladePrimary charging roller[2][3][5]Photosensitive drumStatic eliminatorTransfer charging rollerPaperDeveloping cylinderNo. Image Formation Proc-essDescription[1] Primary charging block Charges the surface of the photosensitive drum to a uniform negative potential.[2] Laser exposure block Exposes laser beam on the surface of the drum for charge neutralization to form the latent imageformation.[3] Developing block Causes the negatively-charged toner on the developing cylinder to adhere to the latent imageformation on the surface of the photosensitive drum to form a visible image.[4] Transfer block Applies positive charge to the back of a paper to transfer the toner on the drum to the paper.[5] Separation block Separates a paper from the photosensitive drum with its elastic force and at the same time appliesnegative charge to the back of paper to facilitate paper separation.[6] Drum cleaning block Scrapes off the residual toner on the surface of the drum using the cleaning blade and feeds it tothe waste toner box.■ Basic SequenceThe basic sequence is as follows.● Sequence of Operation (initial rotation)• Pickup from cassettePickupONRegistrationONPrimary charging AC biasMain Motor (M1)Primary charging DC biasLaserDeveloping AC biasDeveloping DC biasDeveloping cylinder clutch (CL3)Transfer biasStatic eliminator bias2. Technical Explanation55
