HP 364XL Photo Ink Cartridge is designed for use only in HP printers with 5 cartridge slots: black, photo, cyan, magenta, yellow. Does not work in printers with only 4 slots. The Photo ink cartridge will not fit in the Black cartridge slot. Designed for use only in HP printers with 5 cartridge slots: black, photo, cyan, magenta, yellow. The HP 364XL Photo Ink Cartridge does not work in printers with only 4 slots. The Photo ink cartridge will not fit in the Black cartridge slot. Save more and get a better value - use optional high-capacity XL cartridges. With Original HP ink cartridges, you can print easily and affordably. These convenient individual ink cartridges can be replaced one at a time as needed. Get impressive results for all your photos, creative projects and everyday prints, using inks designed to meet all your printing needs. Print long-lasting, lab-quality photos and projects.