HP 45 Invent Black Printer Ink Cartridge Exp Nov 2006 The HP 45 Invent Black Printer Ink Cartridge is a genuine/original product from HP designed specifically for HP printers. With a color of black, this ink cartridge is compatible with the HP 45 model and is reliable for high-quality printing. The product has an expiration date of November 2006, making it a limited edition option for those in need of black ink for their printing needs.