SK4 Solvent Ink 1.For Seiko SPT-1030/510/255-35pl printheads; 2.C,M, ... ,Lc,Lm 6colors; 3.Sunproof about 18 months, SK4 Solvent Ink For Seiko heads1.Suitable Printers:All of equiped Seiko SPT-1020 ... ,Magenta,Yellow,Black,Light Cyan,Light Magenta; » Used best pigments for gorgeous color in full saturation; » Real long time outdoor durability ...