How To Downgrade Firmware Epson WF-ST-4000

Why Use Epson WF-ST-4000 Firmware Key

– Epson WF-ST-4000 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 WF-ST-4000 printer automatically updates firmware to the latest version, causing the printer to no longer detect ink cartridges, red light, and error light with Epson WF-ST-4000 Incompatible Ink Cartridge error message and can not print.
Epson WF-ST-4000 Incompatible Ink Cartridge

– When the Epson WF-ST-4000 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 WF-ST-4000 printer, the printer will warn not to recognize the cartridge and give error messages: Epson WF-ST-4000 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 WF-ST-4000. Fix Epson WF-ST-4000 printer error not recognizing external ink cartridges: Epson WF-ST-4000 Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson WF-ST-4000 printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson WF-ST-4000 printer.
– Epson WF-ST-4000 firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.

How to downgrade firmware Epson WF-ST-4000

– Unplug all USB connections to the computer except keyboard, mouse, and Epson WF-ST-4000 printer need to downgrade firmware version.
– Download Downgrade Firmware Epson WF-ST-4000:
– Free Download Software Downgrade Firmware Epson WF-ST-4000 for Windows:
– Free Download Software Downgrade Firmware Epson WF-ST-4000 for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson WF-ST-4000 printer is supported with the firmware change feature:

Key Firmware Epson WF-ST-4000 Step 1

– If supported, we see how to enter Service Mode (Update Mode) for Epson WF-ST-4000 color printer
Step2.: Connect the Epson WF-ST-4000 printer to the computer with a USB cable, then click Change Firmware to see how to enter Service Mode.
Key Firmware Epson WF-ST-4000 Step 2

– How to enter Service Mode:
Key Firmware Epson WF-ST-4000 Step 3

Step3.: Select Epson WF-ST-4000 printer to Downgrade Firmware.
Key Firmware Epson WF-ST-4000 Step 4

Key Firmware Epson WF-ST-4000 Step 5

Step4.: Select Epson WF-ST-4000 printer then click Update.
Key Firmware Epson WF-ST-4000 Step 6

Step5.: select Yes to continue.
Key Firmware Epson WF-ST-4000 Step 7

Step6.: Enter the Epson WF-ST-4000 Firmware Key, then click OK.
Key Firmware Epson WF-ST-4000 Step 8

Step7.: Wait for the software to automatically downgrade the firmware version for Epson WF-ST-4000 printer.
Key Firmware Epson WF-ST-4000 Step 9

Step8.: Click OK to complete the firmware version downgrade process for Epson WF-ST-4000 printer.
Key Firmware Epson WF-ST-4000 Step 10

Step9.: Check the WF-ST-4000 printer firmware after downgrading the version.
Key Firmware Epson WF-ST-4000 Step 11

Video tutorial to downgrade Epson WF-ST-4000 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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