1 T6193 Maintenance tank chip for EP SureColor T Series T3000 T5000 T7000 F6070

How it work:

When the ink level shows low, 

take the cartridge out of the printer

then install the cartridge again, and the chip will reset by automatically

after this you can print.

Each pack with:

* black chip

* Cyan chip

* Yellow chip

* Magenta chip