How To Downgrade Firmware Epson EW-M770T

Why Use Epson EW-M770T Firmware Key

– Epson EW-M770T downgrade firmware key: this is required when NON-ORIGINAL ink cartridges are NOT recognized by the printer. This is because printers’ firmware has been updated from the Epson server to the newest firmware where not original ink cartridges are forbidden to be used. In this case, You have to Downgrade firmware back to old.

Wicreset Downgrade Firmware Key
Wicreset Downgrade Firmware Key
Downgrade firmware key: this is required when NON-ORIGINAL ink cartridges are NOT recognized by the printer. This is because printers' firmware has been updated from the Epson server to the newest firmware where not original ink cartridges are forbidden to be used. In this case, You have to Downgrade firmware back to old.
– Driver of Epson EW-M770T printer automatically updates firmware to the latest version, causing the printer to no longer detect ink cartridges, red light, and error light with Epson EW-M770T Incompatible Ink Cartridge error message and can not print.
Epson EW-M770T Incompatible Ink Cartridge

– When the Epson EW-M770T printer is updated to the new firmware, only genuine ink cartridges are received but not compatible ink cartridges. If we try to insert a compatible ink cartridge into the EW-M770T printer, the printer will warn not to recognize the cartridge and give error messages: Epson EW-M770T Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– This article shows how to downgrade the firmware version for Epson EW-M770T. Fix Epson EW-M770T printer error not recognizing external ink cartridges: Epson EW-M770T Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson EW-M770T printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson EW-M770T printer.
– Epson EW-M770T firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.

How to downgrade firmware Epson EW-M770T

– Unplug all USB connections to the computer except keyboard, mouse, and Epson EW-M770T printer need to downgrade firmware version.
– Download Downgrade Firmware Epson EW-M770T:
– Free Download Software Downgrade Firmware Epson EW-M770T for Windows:
– Free Download Software Downgrade Firmware Epson EW-M770T for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson EW-M770T printer is supported with the firmware change feature:

Key Firmware Epson EW-M770T Step 1

– If supported, we see how to enter Service Mode (Update Mode) for Epson EW-M770T color printer
Step2.: Connect the Epson EW-M770T printer to the computer with a USB cable, then click Change Firmware to see how to enter Service Mode.
Key Firmware Epson EW-M770T Step 2

– How to enter Service Mode:
Key Firmware Epson EW-M770T Step 3

Step3.: Select Epson EW-M770T printer to Downgrade Firmware.
Key Firmware Epson EW-M770T Step 4

Key Firmware Epson EW-M770T Step 5

Step4.: Select Epson EW-M770T printer then click Update.
Key Firmware Epson EW-M770T Step 6

Step5.: select Yes to continue.
Key Firmware Epson EW-M770T Step 7

Step6.: Enter the Epson EW-M770T Firmware Key, then click OK.
Key Firmware Epson EW-M770T Step 8

Step7.: Wait for the software to automatically downgrade the firmware version for Epson EW-M770T printer.
Key Firmware Epson EW-M770T Step 9

Step8.: Click OK to complete the firmware version downgrade process for Epson EW-M770T printer.
Key Firmware Epson EW-M770T Step 10

Step9.: Check the EW-M770T printer firmware after downgrading the version.
Key Firmware Epson EW-M770T Step 11

Video tutorial to downgrade Epson EW-M770T printer version:

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Wicreset Downgrade Firmware Key
Wicreset Downgrade Firmware Key
Downgrade firmware key: this is required when NON-ORIGINAL ink cartridges are NOT recognized by the printer. This is because printers' firmware has been updated from the Epson server to the newest firmware where not original ink cartridges are forbidden to be used. In this case, You have to Downgrade firmware back to old.

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