The HP 31 Magenta Original Ink Bottle is the right tool to get quality photos and everyday printing documents from your HP printer, with consistent and high-quality results. Get great printing volumes, a convenient and easy way to refill ink, and HP's reliability and print quality. The Original HP 31 Magenta ink bottle is compatible with HP Smart Tank 455, 457, 513, 555, 559, 570, 655 printers and provides an average printing performance of approximately 8000 pages. You decide when to add more ink. Refill easily when it suits you best. Print without worries knowing that HP Original inks have been designed for the HP Smart Tank printer. HP designs its own inkjet printing systems to provide maximum value in document printing, while using enough ink to maintain a reliable system throughout the printer's life cycle. Choosing HP Original inks means getting high-quality, professional prints while contributing to the environment with sustainable solutions and recycling programs. HP Original inks are the only inks developed in conjunction with HP printers to offer reliable quality results and uniform performance. Equip your HP printer with the best ink on the market and enjoy superior quality prints!