Specifications:

1) Combo ARC Chip for Epson S20/SX205/C90/ C92/ C79/ CX7300/ CX8300/ CX5600 ,workforce 500/600/30/40(T0731-T0734, T0711-T0714,T0691-T0694)etc

2) Offere with Switch and Reset Button

3) Can used without original Cartridge on with the Switch down

4) The white button has the reset ink level function