MUTOH ECO-UV LED Ink - Mutoh's Environmentally friendly ECO-UV in for the VJ 426UF and VJ 1626 UH printer is an energy efficient solution, it's 100% solid, meaning no VOCs or HAPs. Print to almost any surface Mutoh's ECO-UV ink and the white and varnish ink expand your ability to create a variety of effects such as increased opacity, matte or gloss finishes and layers of varnish for added texture and embossing.