HP 21/22 Combo-pack Inkjet Print Cartridges reduce printing costs and save time. Get all the black and tri-colour ink you need to print brilliant, long-lasting photos and graphics, and professional-looking documents with laser-quality black text. Specifications 2 ink cartridges: 1 black and 1 tri-color Print technology: HP Thermal Inkjet Printing Material Shelf Life 18 months Ink drop: 17 pl / 5 pl Ink types: Pigment-based (black) / dye-based (cyan, yellow, magenta) Page yield (combo-pack) Per cartridge: 190 pages black, 165 pages tri-colour Color(s) of printing supplies: Black, tri-colour Print cartridge volume delivered: 5 ml Print head nozzles: 416 (black), 300 (tri-color) Selectability: 21/22 Page yield footnote: Tested in HP PSC 1410 All-in-One. Approximate average based on ISO/IEC 24711 Compatibility : DeskJet 2149 2180 3747 3900 3910 3915 3918 3920 3930 3938 3940 D1311 D1320 D1330 D1341 D1360 D1368 D1400 D1415 D1420 D1430 D1445 D1460 D1468 D1470 D1520 D1530D1558 D1560 D1568 D2230 D2300 D2320 D2330 D2345 D2360 D2368 D2430 D2445 D2460 D2466 D2468 F2100 F2110 F2120 F2128 F2140 F2149 F2179 F2180 F2185 F2187 F2188 F2200 F2224 F2280 F2290 F310 F325 F335 F340 F350 F370 F375 F378 F380 F385 F388 F390 F394 F4100 F4135 F4140 F4150 F4172 F4175 F4180 F4185 F4188 F4190 F4194 Fac 1250 OfficeJet4300 4310 4311 4312 4314 4315 4317 4319 4350 4352 4353 4355 4357 4359 4360 J3608 J3640 J5520 J3680 J5520 PSC 1400 1401 1402 1403 1406 1408 1410 1415 1417