This Cartridge set does NOT work with the lateset firmware update version # : CD30N1
for How to check printer firmware version #:
From the printer HomeScreen --> Settings -->General Settings-->System Admin-->Firmware Update. (Do Not Update Firmware)
Or print a Nozzle Check page.
Designed for sublimation or DTF printing.
These refillable carts come with With one-time-use chips, You must purchase chip separately once the cartridge shows empty
Bulk Ink Ciss System For Epson Workforce T812 T812XL 812XL Pro WF-7820 WF-7840 7310*
What's included in the package:
1 set of Bulk Ink Ciss System With one-time-use chips For Epson Workforce T812 T812XL 812XL Pro WF-7820 WF-7840 7310 .
We offer 30 day Full Warranty and 6 months Parts Warranty.
Most issues can easily be solved by contacting us and troubleshooting. We offer Technical Support for ALL of our customers regardless of the length of purchase.