Product name: CISS for Epson T50/TX700W/TX800W

Original cartridge Model:T0821N/T0822N/T0823N/T0824/T0825/T0826

 Specifications:
1).offered with new version 6.0N combo chip with Switch and buttons. 

2)Can be used without orginal cartridge on with the Switch down.

3).High quality,low cost,easy matainance.

4).novel design ensure no ink leakage.