INKUTEN - 4 Refillable Cartridges for HP 932 933 with 4x100ml Dye ink, Auto Reset Chips (ARC) OfficeJet 6100, OfficeJet 6600, OfficeJet 6700, OfficeJet 7110, OfficeJet 7610, OfficeJet 7612 The cartridge is transparent. It is easy to view how much ink left to prevent from lack of ink to cause air bubbles or how much ink filled in to avoid overfill for easy operation. There are easy-refill hole and rubber plug on the top of each cartridge. It is very easy to remove the plug for ink refill and replace it back after refilled for the easy refilling. Product contents: set of 4 refillable HP 932 933 cartridges (empty), 4x100ml INKUTEN Premium Dye ink, 4 syringes with needles, detailed instruction manual. The cartridges have auto-reset chips. When a cartridge is empty, just remove, refill, and when you put it back in, the ink level will read full. Comes with 4x100ml bottles (black, cyan, magenta, yellow) of Ink INKUTEN Dye ink for HP Inkjet printers. This ink is designed to give you results equivalent to the original in all aspects: color, fade resistance, smudge resistance, etc... It is a perfect replacement of the original from HP. Designed to be filled and refilled hundreds of times. Auto reset chips installed. The ink level will reset to full once you refill the cartridge.