BCH Refillable Cartridge for Epson T616 with Remote-Sensing ARC Chips: 1 of each Black T616100, Cyan T616200 T6162, Magenta T616300 T6163, Yellow T616400 T6164 for B300 B310N B500DN B510DN BCH Refillable Cartridge for Epson B300, B310N, B500DN and B510DN Save up to 95% of printing cost by refilling your cartridge Auto Reset Chips (ARC) will reset ink levels automatically. You need original OEM chip from old cartridge to make it work. For details, type T616 in search area at bchtechnologies com website Specially designed to fit OEM printers. High capacity 300 ml cartridge. Package includes: 4 x Cartridges (empty) with remove sensing ARC chips. Easy to prime and refill. Just take off the refill plug and add ink. Use it over and over again.