• The HP 21 Black Inkjet Print Cartridge with HP pigment-based inks prints professional-looking documents with laser-quality black text. Get results you can count on across a broad range of plain papers and speciality media.
• Reliable ink for precise, everyday moderate printing.
• Trust Original HP

• The HP 21 Black Inkjet Print Cartridge with HP pigment-based inks prints professional-looking documents with laser-quality black text. Get results you can count on across a broad range of plain papers and speciality media.
• Reliable ink for precise, everyday moderate printing.
• Trust Original HP Inks.
• Hardware compatibility:
• 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