CISS Compatible with: Epson TX650/ T59/T50/ R295/ R290/ R270/ R390/ RX590 etc Cartridge No.: T0821N/T0822N/T0823N/T0824N/T0825N/T0826N Features: You may need modify your printer prior to installation. BIG VOLUME INK TANK supplies ink continuously AUTO RESET CHIPSare specifically designed to work with your printer, regardless of date manufactured! SPONGE-LESS CARTRIDGE DESIGNprevents ink from drying up inside of the cartridge! SMOOTH INK FLOWfor better printing quality! EMPTY OR PREFILLED WITH HIGH QUALITY GERMAN MATERIAL INKproduces results similar to original ink! MANUFACTURED IN ISO 9001:2000 CERTIFIED FACTORYmeans you get a high quality product! HIGH QUALITY & LOW COSTreduces printing costs up to 90%! ENVIRONMENTALLY FRIENDLY!Doesn't waste cartridges! EASY SETUP FOR LONGTERM USAGE Each set contains: Reservoir bottles with tubing CIS cartridge with auto reset chip Supports arm and refill tool Instruction manual disk General Tips for Your CISS: ALWAYSkeep your ink tanks at level with your ink cartridges; Best to set ink tanks side-by-side with printer. NEVERleave CISS in area where children can accidentally spill the ink tanks. PRINTa page or two every other week to prevent ink from drying up in your printer. REFILLthe ink tanks when they are down to 20%. Don't let it run out of ink! CONTACT USif you have any questions or concerns regarding installation so we can happily assist you.