How To Downgrade Firmware Epson PX-M740F

Why Use Epson PX-M740F Firmware Key

– Epson PX-M740F 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 PX-M740F printer automatically updates firmware to the latest version, causing the printer to no longer detect ink cartridges, red light, and error light with Epson PX-M740F Incompatible Ink Cartridge error message and can not print.
Epson PX-M740F Incompatible Ink Cartridge

– When the Epson PX-M740F 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 PX-M740F printer, the printer will warn not to recognize the cartridge and give error messages: Epson PX-M740F 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 PX-M740F. Fix Epson PX-M740F printer error not recognizing external ink cartridges: Epson PX-M740F Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson PX-M740F printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson PX-M740F printer.
– Epson PX-M740F firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.

How to downgrade firmware Epson PX-M740F

– Unplug all USB connections to the computer except keyboard, mouse, and Epson PX-M740F printer need to downgrade firmware version.
– Download Downgrade Firmware Epson PX-M740F:
– Free Download Software Downgrade Firmware Epson PX-M740F for Windows:
– Free Download Software Downgrade Firmware Epson PX-M740F for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson PX-M740F printer is supported with the firmware change feature:

Key Firmware Epson PX-M740F Step 1

– If supported, we see how to enter Service Mode (Update Mode) for Epson PX-M740F color printer
Step2.: Connect the Epson PX-M740F printer to the computer with a USB cable, then click Change Firmware to see how to enter Service Mode.
Key Firmware Epson PX-M740F Step 2

– How to enter Service Mode:
Key Firmware Epson PX-M740F Step 3

Step3.: Select Epson PX-M740F printer to Downgrade Firmware.
Key Firmware Epson PX-M740F Step 4

Key Firmware Epson PX-M740F Step 5

Step4.: Select Epson PX-M740F printer then click Update.
Key Firmware Epson PX-M740F Step 6

Step5.: select Yes to continue.
Key Firmware Epson PX-M740F Step 7

Step6.: Enter the Epson PX-M740F Firmware Key, then click OK.
Key Firmware Epson PX-M740F Step 8

Step7.: Wait for the software to automatically downgrade the firmware version for Epson PX-M740F printer.
Key Firmware Epson PX-M740F Step 9

Step8.: Click OK to complete the firmware version downgrade process for Epson PX-M740F printer.
Key Firmware Epson PX-M740F Step 10

Step9.: Check the PX-M740F printer firmware after downgrading the version.
Key Firmware Epson PX-M740F Step 11

Video tutorial to downgrade Epson PX-M740F 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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