Compatibility: Compatible with Epson Large-Format Printer 7880/9880 Advantages: A complete set of Epson 7880/9880 CIS system is consist of 8/9pcs refillable empty cartidges whose volume is 220ml respectively. The cartridges supplied with your Epson printer are removed, then replaced with our CIS cartridges. These are easily filled through refill hole at the rear of the cartridge. Having a transparent case you know the ink level inside the cartridge at all times. These Ink System Cartridges are provided as a replacement for the standard Epson Stylus 7880/9880 Printer Cartridges. That is the complete system which unctions just as a normal printer would, only costing a fraction of you're hard earned dollar $$$$ to replace the inks.