These Emptyrefillable cartridge 212 212XL require to use Chiplesssoftware.
Product Detail:
WorkForce WF-2830 / WF-2838 / WF-2850 / WF-2855/ WF 2860 / WF-2861
Epression Home XP-4100 / XP-4105 These empty refillable, sponge less cartridges work perfect with manytypes ink
such as sublimation, dye, pigment ink and cleaning solution. These cartridges are easy to fill with syringe, and no other skill are required. The ink volume can hold up to 12ml of ink.
Software NOT Including, It requires the Chipless Software.You can find it on Google search.

Shipping: Orders are normally ship out by next business day.