Refillable T0731, T0732, T0733, T0734 Compatible 4 pack T073 Ink Cartridges for Epson Inkjet Printer This combo pack includes T0731 (T073120) black, T0732 (T073220) cyan, T0733 (T073320) magenta and T0734 (T073420) yellow refillable ink cartridges All with Auto Reset Chip* installed Easy to refill! Never run out ink! Save Money! For use on Epson Printers: Epson Stylus C79 Epson Stylus C90 Epson Stylus C110 Epson Stylus CX3900 Epson Stylus CX3905 Epson Stylus CX4900 Epson Stylus CX4905 Epson Stylus CX5500 Epson Stylus CX5900 Epson Stylus CX7300 Epson Stylus CX6900F Epson Stylus CX8300 Epson Stylus CX9300F Epson stylus NX220 Epson stylus Office T30 Epson stylus Office T40w Epson stylus office TX300F Epson stylus office TX510FN Epson stylus office TX600FW Epson stylus office TX610FW Epson stylus T20 Epson stylus T21 Epson stylus TX100 Epson stylus TX110 Epson stylus TX200 Epson stylus TX210 Epson stylus TX400 Epson stylus TX410 Epson stylus TX550W Epson T073 compatible refillable ink cartridges (prefilled to full capacity with highest quality Japanese ink) Combo Package (also known as T0731 plus T0735 or T073520) include: 1 x Refillable T073120 (also known as T0731) Compatible black ink cartridge, page yield 440, 16ml black ink. 1 x Refillable T073220 (also known as T0732) Compatible cyan ink cartridge, page yield 440, 16ml cyan ink. 1 x Refillable T073320 (also known as T0733) Compatible magenta ink cartridge, page yield 440, 16ml magenta ink. 1 x Refillable T073420 (also known as T0734) Compatible yellow ink cartridge, page yield 440, 16ml yellow ink. 1 x syringe Detailed instructions (in English) * ISO9001 certified *Auto Reset Chip (ARC) is a smart chip that reset the ink level to full automatically when the ink is about to run out. You just refill the ink when there's a "ink low" warning, turn the printer off, wait a few seconds then turn it back on. The ink level will appear full again. This enables you to refill and reuse the cartridge again and again. The Advantages of Refillable Ink Cartridge over One time use Ink Cartridges High Quality of Refillable Cartridge easy refill directly from the refill hole. No Drill! No leak! No Mess! Great for all residential and business customers. Refill within 60 seconds! Anybody can do it! If you know how to use syringe to inject liquid into a small hole, you will be able to refill this cartridge with ease. Incredible savings compared to the cost of cartridges. Each refill cost less than 5 cents! Save 99% off your printing cost! Easy Installation. True system ready for "Plug & Play". Never run out of ink at that inconvenient moment! No need to go out in bad weather to get that tiny ink cartridge which is not only expensive but runs out quickly. No more Cartridges waste! Save the environment! No more un-use Ink waste! When one color runs out in a multicolor ink cartridge, usually you have to get a new cartridge and throw the whole cartridge away. Not any more! With our refillable cartridge, you just refill that color and drop the cartridge back into the printer. No more messy refills! Well, if you'd ever tried to refill an ink cartridge, you know how messy it can get. Not any more! With our cartridge, you don't need any tools besides the included syringes. Just unplug the empty ink chamber, use the syringe to draw the correct amount of ink of corresponding color, inject the ink into the chamber and monitor the ink level through the clear plastic window at the side of the cartridge, plug the refill hole and that's it.