Auto reset chip for Epson C90/CX5500/C92/CX5600/C79/CX3900/CX6900

Specifications:
1) Ensures your printer cartridge always full
2) New version 3.1 of auto reset chip can be used on latest printer

3) Saves ink and reduces damage to the printer head
4) Compatible with all latest Epson printers, such as C90/CX5500/C92/CX5600/C79/CX3900/CX6900