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Chipless firmware for EPSON WF-3720 and WF-3720-DWF Chipless firmware compatibility between EPSON WF-3720 and WF-3720-DWF

#1 User is offline   Nougart 

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  Posted 12 September 2018 - 01:22 PM

Dear members,

I want to bring to your attention these two printer versions of the same model:
For different regions in the world (maybe the difference in the PSU 110V one and 240V the other)

One is EPSON WF-3720
And the other one is EPSON WF-3720DWF

I see that EPSON only has one user guide manual for both that is the one for WF-3720
I also noticed the different cartridge model they use:

WF-3720 uses EPSON 702/702XL cartriges (eg. T702XL)
WF-3720DWF uses EPSON 34/34XL cartridges (eg. T3471)

Please if someone can confirm that chipless firmware available for WF-3720 as found on chiplesssolutions.com is also working for WF-3720DWF?
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#2 User is offline   John_Admin 

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Posted 13 September 2018 - 09:51 AM

The firmware for this models is common
WIC.support - all Questions, Answers and Video Tutorials about WIC Reset Utility
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#3 User is offline   Nougart 

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Posted 30 September 2018 - 07:59 AM

The chipless firmware update was successful.

Tips:
This Epson printer (WF-3720DWF) (non-US model DWF) can NOT be brought to software update mode by pressing power + top-right of the screen.
If you have firmware newer than CL26H9 - this is firmware compatible with chipless key - then you can bring your WF-3720DWF printer to ROM recovery by official Epson app:

1.Make a normal firmware update using Epson updater
2.Use USB cable to make the update (the printer will allow to re-update multiple times with the latest official firmware)
The printer will not allow to update with previous firmware, that is why you must brick the existing firmware if you want to downgrade

3.There is no step three :P
4.During the firmware transfer (re-flash the same version) disconnect the USB cable (try this at various points during the transfer)
The ROM will become bricked and next time you start the printer (force shutdown by unplugging AC) it will be forced to start into ROM recovery mode B)

5.Now you can flash any firmware version you want via USB (including chipless-compatible) and this is the only way to downgrade WF-3720DWF (if needed)
The chipless key can be used after the step 5, while the printer is ON running CL26H9 firmware - this firmware can be found on chipless website

Don't forget to disable automatic software update check in the printer settings and in the Epson software you use on your computer.

I just want to thank chipless for their effort because the cartridges are VERY expensive for this model WF-3720DWF, close to the price of an entire new printer.
Printer cost (brand new) was $140

WF-3720DWF uses EPSON 34/34XL cartriges that cost $99 per pack (XL) and will last only one week in a normal/small office!!!

Do you want to pay $400/mo for WF-3720DWF OEM EPSON inks in you small office?
Or do you want to pay $240/mo for WF-3720DWF aftermarket XL ink cartridges ($60/XL pack)?

Seriously Epson is crazy with these prices, "ripping" small businesses off big time!
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#4 User is offline   agov261 

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Posted 29 November 2018 - 04:33 AM

I have a US version WorkForce Pro WF-3720 that does not go into firmware update mode by pressing the power button and the top right corner of the screen. Would the steps you described for the WF-3720DWF work on the US version WF-3720?
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#5 User is offline   javierag 

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Posted 10 December 2018 - 07:28 PM

yes it work , im already tested by myself, but i dont know why i canĀ“t pay fo the chipless firmware with paypal
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