The HP LaserJet CB436A 36A Black Printer Toner Ink Cartridge is a genuine, original product by HP designed for use in laser printers. This sealed cartridge is specifically compatible with HP LaserJet P1505, HP P1505, and various other HP printer models. Made in the United States, this black toner cartridge ensures high-quality printing results and is ideal for those looking for authentic HP products for their printing needs.