JARBO Compatible Ink Cartridge Replacement for HP 564 High Yield, 4 color, 10 packs(4 Black, 2 Cyan, 2 Magenta, 2 Yellow), Used in Photosmart 5520 6520 5510 6510 Officejet 4620 Deskjet 3520 Printer Easy to install and use, complete compatible, High-quality ink, print with excellent color and crisp text, NO DISCONSERT WHEN USING! Contents:Replacement for 564 Ink Cartridges, 10 Packs (4 Black 2 Cyan 2 Magenta 2 Yellow), NO PHOTO BLACK, up to 800 pages per black cartridge, up to 750 pages per color cartridge (5% coverage). Compatible with Photosmart 5520 6520 5510 6510 5514 5515 6515 5525 Officejet 4620 Deskjet 3520 3521 3522 Printer. ISO-9001 and MSDS certificate approved. All JARBO brand products are backed by 2 years money back guarantee, which covers any quality, reliability and performance issues. We strive for the perfection of printing, only for the comfort in your life. HP Photosmart 5510,5512,5514,5515 HP Photosmart 5520,5525 HP Photosmart 6510,6512,6515 HP Photosmart 6520,6525 HP Officejet 4620 HP Officejet 4610 HP Officejet 4622 HP Deskjet 3520 HP Deskjet 3521 HP Deskjet 3522 <span class="a-text-bold">Step 1:</span> Please make cartridges upside down; <span class="a-text-bold">Step 2:</span> Please remove the protective clip before you install the ink cartridges ; Cleartext,the heater roller makes the printing smooth; With stable magnetic field, presenting gradual gradation without any background color. JARBO helps reduce your printing costs, save money 70%; high-value option for high-volume printing,up to 800 pages per black cartridge, up to 750 pages per color cartridge (5% coverage) Outstanding reliability, easy to install and use, rival the original in clear and stable printing; The productis built to ISO9001 and ISO14001 Factory Standards.