The HP 42A Black Toner Cartridge, part number Q5942A, is an original product from HP designed for use in HP LaserJet printers. Made in China, this genuine cartridge is compatible with models 4240, 4250, and 4350. It comes in a single unit and is known for its high-quality printing results, particularly in producing crisp and professional black documents. Ideal for those looking for reliable and consistent printing performance, this toner cartridge is a dependable choice for HP printer users.
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