How To Downgrade Firmware Epson SX420W

Why Use Epson SX420W Firmware Key

– Epson SX420W 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 SX420W printer automatically updates firmware to the latest version, causing the printer to no longer detect ink cartridges, red light, and error light with Epson SX420W Incompatible Ink Cartridge error message and can not print.
Epson SX420W Incompatible Ink Cartridge

– When the Epson SX420W 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 SX420W printer, the printer will warn not to recognize the cartridge and give error messages: Epson SX420W 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 SX420W. Fix Epson SX420W printer error not recognizing external ink cartridges: Epson SX420W Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson SX420W printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson SX420W printer.
– Epson SX420W firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.

How to downgrade firmware Epson SX420W

– Unplug all USB connections to the computer except keyboard, mouse, and Epson SX420W printer need to downgrade firmware version.
– Download Downgrade Firmware Epson SX420W:
– Free Download Software Downgrade Firmware Epson SX420W for Windows:
– Free Download Software Downgrade Firmware Epson SX420W for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson SX420W printer is supported with the firmware change feature:

Key Firmware Epson SX420W Step 1

– If supported, we see how to enter Service Mode (Update Mode) for Epson SX420W color printer
Step2.: Connect the Epson SX420W printer to the computer with a USB cable, then click Change Firmware to see how to enter Service Mode.
Key Firmware Epson SX420W Step 2

– How to enter Service Mode:
Key Firmware Epson SX420W Step 3

Step3.: Select Epson SX420W printer to Downgrade Firmware.
Key Firmware Epson SX420W Step 4

Key Firmware Epson SX420W Step 5

Step4.: Select Epson SX420W printer then click Update.
Key Firmware Epson SX420W Step 6

Step5.: select Yes to continue.
Key Firmware Epson SX420W Step 7

Step6.: Enter the Epson SX420W Firmware Key, then click OK.
Key Firmware Epson SX420W Step 8

Step7.: Wait for the software to automatically downgrade the firmware version for Epson SX420W printer.
Key Firmware Epson SX420W Step 9

Step8.: Click OK to complete the firmware version downgrade process for Epson SX420W printer.
Key Firmware Epson SX420W Step 10

Step9.: Check the SX420W printer firmware after downgrading the version.
Key Firmware Epson SX420W Step 11

Video tutorial to downgrade Epson SX420W printer version:

#Epson SX420W Firmware Key
#Epson SX420W ink cartridge is not recognized
#Epson SX420W ink cartridges are not recognized
#Epson SX420W red light
#Epson SX420W can’t print
#Epson SX420W does not receive ink cartridges
#Epson SX420W firmware error
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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