BY SK4 Ink for Seiko head 1.For Seiko SPT-1030/510/255-35pl printhead; ... 3.Sunproof about 18 month. BY SK4 Ink for Seiko head 1.Suitable Printers:All of equiped Seiko SPT-1020 ... /510/255-35pl head Printers, eg: Beyond,Infiniti,Challenger,Phaeton,Icontek,Crystaljet ... ,Black,Light Cyan,Light Magenta;» Used best pigments for gorgeous color in full saturation;» Real long time ...