COMPUTER FUNDAMENTALS

Detailed explanation-1: -In a laser printer, the photosensitive drum or the Organic Photo Conductive (OPC) drum is the main component for the image formation system. It is the center of the complete image formation process. The photo conductive drum is given a positive or negative charge by the charge corona wire.

Detailed explanation-2: -The printers laser beams your print onto a metal drum. The drum uses static electricity to attract powdered toner to the drums cylinder. The drum rolls the toner onto the paper in the form of your print.

Detailed explanation-3: -The transfer corona wire is a small diameter wire charged by the high voltage power supply and is located in the floor of the laser printer and the corona roller is a roller rather than a wire but with same function but roller supports higher speeds and corona wire is no longer used.