HP 21XL Black Inkjet Print Cartridges are designed to produce more printed pages with fewer cartridge changes. Print high-quality, archival documents with rich, laser-quality black text, using an original HP cartridge designed to work with your HP printer. Enhance document quality by using papers with the ColorLok logo - bolder blacks improve contrast and sharpen text and documents dry faster for less smearing when handled. The HP 21XL Black Inkjet Print Cartridges with HP pigment-based inks print professional-looking documents with laser-quality black text. Get results you can count on across a broad range of plain papers and specialty media. for use with, HP Deskjet 3910, 3920, 3930, 3940, D1311, D1320, D1330, D1341, D1360, D1420, D1430, D1445, D1455, D1460, D1468, D1520, D1530, D1560, D2330, D2345, D2360, D2430, D2445, D2460, D2468, F2110, F2120, F2140, F2180, F2185, F2187, F2210, F2212, F2235, F2240, F2250, F2275, F2280, F2290, F325, F335, F340, F350, F370, F375, F380, F390, F394, F4135, F4140, F4150, F4172, F4175, F4180, F4185, F4190 and F4194 Printers, HP Officejet 4315 and J3680 All-in-One Printers and HPPSC 1410 All-in-One
