1. Auto reset chip, use for Epson stylus c65/c63/c83/cx3500/cx4500/ cx6500/c64/c66/c84/c86/cx4600/cx6400/cx6600/CX6300 etc. printers.

4 colors 4 cartridges: T0461/T0441/T0431, T0472/T0442, T0473/T0443, T0474/T0444

2. Auto reset chip works with Epson c67/c87/cx3700/cx4100/cx4700/cx7700 series printers.  Cartridge no.: T0631,T0632,T0633,T0634