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You know - if You want to change (update/downgrade) firmware in Your printer - You can do it in 2 ways: - in regular mode (requires OEM ink cartridges installed and had be NO errors in printer) - in Program Update Mode ( can be performed without ink cartridges at all) So here are 2 ways to put WF-2860, WF3720 Series printers in Program Update Mode: 1. Power OFF the printer. 2. Press touch screen Place A + Power button. 3. Hold them - 20 seconds!! until Blue Power Led is ON. 4. Release all. Printer is in Program Update Mode now. If Touch Screen Place A doesnt work (printer just switches ON in regular mode) - You have to use touch screen Place B: Please watch here how to put WF-3720 printer in Program Update mode (Place : P.S. When You press Touch Screen and Power button - the Power Led has to be OFF for about 20 seconds. If It will start to flash in 2-5 seconds after you press - that means You have used wrong place to press on touch screen. Try other way.

hi my printer is WF-3720, by check in the WIC reset software, under support model with WF-3720, it shows chipless firmware isn't available for this printer. does it meaning my printer isn't supported for chipless modification or WF-3720 don't have chipless modification ready yet? Thanks!

Would activation keys for wf-3720 work for wf-3730?

Firmware update successful. Purchased Key. Try to License get: Wrong ID Readed from the printer. See photos. Tried firmware flush based on your recommended link here but still a no go.

I am receiving this error when trying to activate on a WF-3720. The firmware was updated successfully but this error appears, have tried on two different computers and have the same problem. I did buy an activation code, order 17956338.

Today i bought chipless solution for Epson WF 3720 but does not work upgrade firmware send an error - ROM IS NOT WRITABLE What can i do?

I have an Epson WF-3720 printer. The Firmware file contained in the zip file was FWF469TL.efu The Firmware file listed with the Epson Firmware Updater was 30.68.CL2112, when it was finished it read ROM Version 30.74.CL27J9 I purchased the activation code for $35. When I went to activate it online, I received a pop-up with "Wrong ID Readed from the printer!" What is going on?

Hi i have a new Epson WorkForce Pro WF 3720 it is posible works for CHipless?