Before you install this cartridge, you need to buy the "Chip-less firmware" and update your printer to Chip-less printer.
What is [chip-less firmware]?
[Chip-less firmware] is a modified version of the software installed inside your printer that has been modified so it no longer monitors the chips or ink levels, this is uploaded to your printer and overwrites the current version of the software.
The benefits of chip-less software are it gives the user the ability to put cartridges in the printer with no chips or the wrong chips , an example of use would be if you have intermittent issues with chips doing this would solve that as it no longer checks for chips.
It’s as easy as this Youtube video: https://www.youtube.com/watch?v=OxljgwByvBk
Once uploaded you should not update your firmware from Epson, or it will overwrite the modified version and go back to how it was before with normal unmodified firmware, ink levels will no longer be monitored so manual checking will be required of the product you are using.
If done in error, it can be recovered if you have saved your recovery code the software offers at time of modification.
[Chip-less firmware] is offered here https://inkchip.net/
You can save 10% when you use coupon code: gorilla
Epson Workforce WF 3720 3733
Refillable Cartridges with "Auto Reset Chips" are easy to refill. They work with Epson inkjet printers which use 252 cartridges.
What is the difference between standard dye ink, pigmented ink, and sublimation ink?
4 - Clear Sponge-Free refillable cartridges
4 - Syringes with refill needles
4X100ml Bottle inks are optional