OPC
“Drum”
Toner
Supply
HopperLaser Beam
Agitator
Doctor
Blade
Magnetic Roller
Sleeve
PCR
Waste
Toner
Hopper
Heating
Eleme...
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Basic laser cartridge

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Basic laser cartridge

  1. 1. OPC “Drum” Toner Supply HopperLaser Beam Agitator Doctor Blade Magnetic Roller Sleeve PCR Waste Toner Hopper Heating Element Recovery Blade Wiper Blade Paper Stationary Magnet Upper and Lower Fuser Rollers Static charge Eliminator Transfer Charge Roller Direction Imaging Section Developing Section The Laser cartridge is a two part shell; Imaging Section (Waste Toner Hopper) and the Developing Section (Toner Supply Hopper). The Imaging Section has : Photosensitive Drum, Wiper Blade, Recovery Blade Primary Charge Roller, Waste Toner Hopper & Electrical Contacts The Developing Section has : Magnetic Roller, Doctor Blade, Toner Agitator Bar, Low Toner Bar (some), Toner Supply Hopper & Electrical Contacts A negative charge is applied to the O.P.C. by the P.C.R. Laser then writes to O.P.C. leaving a positive image. Negative toner from MRS is attracted to the positive image on the drum. The thickness of toner on M.R.S. is controlled by the doctor blade. Paper passes under the O.P.C. with a positive charge from transfer roller. The image from the O.C.P. jumps from the page, then passes across a fuser/static charge eliminator baking the image on the page as it removes the positive charge. About 95% of the toner is transferred to the page and the remaining toner on the O.C.P. is removed by the wiper blade, caught by the recovery blade then falls into the waste toner hopper. This leaves the O.P.C clean and ready to take the next image. Basic Laser Cartridge

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