Designed for use only in HP printers with 5 cartridge slots: black, photo, cyan, magenta, yellow. The HP 564 Photo Ink Cartridge 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 564 Photo Ink Cartridge does not work in printers with only 4 slots. The Photo ink cartridge will not fit in the Black cartridge slot. 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 with rich blacks and smooth grays.