At STS Inks® we understand our customers needs, that’s why we have developed the best alternative for your Roland® SolJet EJ-640 printer: our new Eco-Solvent EJ ink line.

Our Eco-Solvent EJ Inks are specially formulated designed to work perfectly with SolJet EJ-640 printers, offering consistent high quality printing in bold, exciting colors at an excellent operating cost, making high volume, long running print effortless.

STS ultra premium EJ inks for Roland® SolJet EJ-640 are presented in cost-effective 1000mL cartridges, allowing your business to print large jobs with excellent results all while avoiding you frequent cartridge changes.

Our EJ inks come in a variety of seven colors: Cyan, Light Cyan, Magenta, Light Magenta, Yellow, Black and Light Black that work perfectly with any of your SolJet EJ-640 configurations, CYMKLcLmLk and/or CMYK, allowing you to choose the ink configuration that is right for you and your business.

The technology behind our Eco-Solvent EJ Inks provides unmatched long-term outdoor durability, scratch and chemical resistance, broad media support and a wide spectrum of color.

STS Inks® Cartridges are based on our Plug & Play technology, guaranteeing all users a perfect result, just as using original inks.

Our STS ultra premium EJ inks for Roland® SolJet EJ-640 are Made in the USA for outstanding quality and performance that you can count on.


Visit our Roland® Eco-Solvent EJ inks section on our website and discover all the advantages of using our inks, because at STS Inks®, Color is in Our DNA!