Inks and Dyes Ink - EPSON Stylus Pro 4800 POSink DYE Black Cartridges IMPORTANT: There are nine ink cartridges including user-interchangeable Photo and Matte Black. It requires an EPSON technician; many purge cleaning cycles & wasted ink to clean the tube system of UltraChrome pigment ink. POSink Black DYE Cartridges WILL work in UltraChrome printers - EPSON black DYE cartridges will not. POSink is the best DYE based ink for making digital screen printing positives on the market. It is specially formulated for coated clear film and is designed to be quick drying, scratch resistant and have excellent UV blocking characteristics. One of the black cartridges must be REPLACED with a DYE INK cartridge for making positives unless you want to use more expensive pigment film. EPSON 4800 POSink Black DYE with the following UltraChrome Color Chip: Stock Number Color 497-203-4-EA Dye Black w/Light Black UltraChrome Chip 497-203-6-EA Dye Black w/Light Light Black UltraChrome Chip Buy now in Lawsons Online Shop!