How To Add CISS Ink System To your Printer. Epson Epson ink cartridge is a relatively affordable model, but the installation of this continuous ink supply system is not as simple as the ordinary 4-color ink supply system.   To use the continuous ink supply system on this machine, you first need to remove the cover of the ink tank. Then, the ink supply system can be installed.   Video at : how does Epson installation for continuous ink supply system? How to install the CISS continuous ink supply system? Since the installation of the continuous ink supply system will lead to the safe use of the continuous ink supply system, we need to tell you some tips when installing the continuous ink supply system. Everyone knows the principle of siphon, and the continuous ink supply system will use this principle. When we install the continuous ink supply system, we must pay attention to the liquid level of the outer ink cartridge. If the liquid level of the outer ink cartridge is lower than the noz