Number of pages to print (A4 format 5% coverage) Black standard 600 pages, at least 2000 pages after refilling Color standard 450 pages, at least 2000 pages after refilling Applicable Model: For use with: HP DeskJet 2710, HP DeskJet 2720 series, HP DeskJet Plus 4110, HP DeskJet Plus 4120 series, HP DeskJet Plus 4130, HP ENVY 6010, HP ENVY 6020 series, HP ENVY 6030 series, HP ENVY Pro 6420 series, HP ENVY Pro 6430 series Features: Strong compatibility, sufficient ink volume, good printing effect Applicable brands: Hewlett-Packard/HP High-quality rendering of professional-grade ink Select green and environmentally friendly high-quality raw materials, after multi-layer extraction and filtration, drop the essence, soft and smooth, no smudge, no plugging, small color difference. Protect the printer for durability Large capacity refillable ink plate It is a more practical ink cartridge style. The ink cartridge has been drilled with an ink filling hole. It is very convenient to add ink and has a large printing volume. However, the scientific requirements for ink filling are relatively high, and improper ink filling can easily lead to damage to the ink cartridge. Kind tips: The amount of ink displayed is the ink amount used for the first time. When the ink cartridge is filled with ink, the chip may not be able to display The amount of ink, this is a normal phenomenon, not a problem with the ink cartridge, you can use it with confidence.