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The toner particles are given a negative charge inside the toner cartridge, and as they emerge onto the developer drum they are electrostatically attracted to the photoreceptor's latent image (the areas on the surface of the drum which had been struck by the laser). Because negative charges repel each other, the negatively charged toner ...
Some toner cartridges incorporate the drum unit in the design, and both drum and cartridge are replaced simultaneously; cost of a cartridge is higher than a toner-only cartridge, although separate drum replacement is avoided. Toner cartridges have the same function as ink cartridges used by inkjet printers.
Toner may refer to: Toner (printing), a powder mixture used in laser printers and photocopiers; Toner (skin care), a water-based lotion, tonic, or wash designed to cleanse the skin in preparation for other skincare products; Hair toner, product used in hair dying; Toner cartridge, component of a laser printer which contains toner powder
Later copiers, and laser printers from the first 1984 Hewlett-Packard LaserJet, [3] feed directly from a sealed toner cartridge. Laser toner cartridges for use in color copiers and printers come in sets of cyan, magenta, yellow and black , allowing a very large color gamut to be generated by mixing.
The drum areas that are exposed to light become conductive and therefore discharge to the ground. The drum area not exposed to light (those areas that correspond to black portions of the original document) remains negatively charged. Developing: The toner is positively charged. When it is applied to the drum to develop the image, it is ...
In 1991, Katun introduced its first amorphous silicon (a-Si) drum and remanufactured drum unit/cartridge.. Katun became a fuser roller manufacturer. In 1994, Katun opened a newly constructed North American Distribution Center in Davenport, Iowa and became the first aftermarket company to sell “patch technology” that allowed Katun to offer a fully compatible OPC drum that enabled normal ...
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