Package Contains (Compatible) : 4 Pack of compatible ink cartridges replacement for HP 564XL 564 XL ink cartridges. (1 x Black, 1 x Cyan, 1 x Magenta, 1 x Yellow) Printer Compatibility : Photosmart 5510, Photosmart 6510, Photosmart 7510, Photosmart 5520 Photosmart 6520, Photosmart 7520, Photosmart C6380, Photosmart 7515, Photosmart 5514, Photosmart 5515, Photosmart D7560, Photosmart 6515, Photosmart 5525, Photosmart 7525, Photosmart B8550, Photosmart C6350, Photosmart D5460 D5463 D5468 D7500 6512 5511 5522 5524 6525 C6324 C6340 D5445, Photosmart B8500 B8553 B8558 C5300 C5324 C5370 C5373 C5380 C5383 C5388 C5390 C5393 C6300 D5400, Photosmart Premium, Photosmart Premium C309A, Photosmart Premium C410A, Photosmart Premium C310A C510 B209, Officejet 4620 4622, Deskjet 3520, Deskjet 3521, Deskjet 3522. WhyChoose Us : ? High Page Yield: 564XL 564 XL (Black) is 800 pages per cartridge. 564XL 564 XL (Cyan/Magenta/Yellow) is 750 pages per cartridge. ( at 5% coverage ) ? Easy to Install: 1. Remove the PULL tape 2.Install into the printer Do not touch the chip during installation. ? High Performance: Premium Quality Ink delivers high-quality Vivid Color and sharp text, high Performance Results. ? High Quality Control: 100% printer test for each ink cartridge to ensure fullworking condition and a superior print quality. ? 100% Compatibility: Adopting the lastest smart chips. Shows accurate ink level. Printer Recognition without problems. ? Excellent Price: Competitive price, Environment friendly, Less waste. ? Firm Packaging? Packaging Protection keeps products away from possibility ofdamage during transportation and ensure your product arrive safely. ?Tips: 1. Please clean the printing head before printing. 2. If the cartridges do not be recognized by your printer: (1) Please remove the cartridges and turn off your printer. Wait about 30 seconds and turn your printer back on. (2) Re-install the cartridges again and make sure all cartridges are individually well locked in.