The New Genuine HP 42A Q5942A Black Toner Cartridge is a high-quality original product specifically designed for HP Laser printers. It is compatible with models 4240, 4250, and 4350, ensuring crisp and professional black prints. Made in China, this cartridge utilizes laser print technology for exceptional results. Perfect for those looking for reliable and efficient printing supplies, the HP 42A toner cartridge is a dependable choice for any business or personal printing needs.BOX HAS NEVER BEEN OPENED