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Toner cartridges cannot be refilled indefinitely, because mechanical parts such as rollers wear out. Some cartridges include the electro-optical drum, which becomes depleted and can be scratched. Organizations refilling cartridges for resale usually clean and test each cartridge to ensure that it is fit for reuse and resale.
Two cartridges; one with black ink (a third-party HP 15 compatible cartridge), one with colored inks (an original type HP 17 tri-color cartridge) currently installed in an HP inkjet printer. An ink cartridge or inkjet cartridge is a component of an inkjet printer that contains ink to be deposited onto paper during printing . [ 1 ]
A Hewlett-Packard laser toner cartridge. A toner cartridge, also called laser toner, is the consumable component of a laser printer.Toner cartridges contain toner powder, a fine, dry mixture of plastic particles, carbon, and black or other coloring agents that make the actual image on the paper.
The HP-21 was a scientific calculator produced by Hewlett-Packard between 1975 and 1978. [1] It was designed as a replacement for the HP-35 , and was one of a set of three calculators, the others being the HP-22 and HP-25 , which were similarly built but aimed at different markets.
Remanufacturers [18] of toner cartridges use the bulk toner in the process of creating remanufactured toner cartridges. Other companies use the toner to provide a toner refill service. Most toner cartridges are available to the average consumer through retail outlets or local remanufacturing operations.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] [needs update] and range from small inexpensive consumer models to expensive professional machines.