Chipless Printers
Why Use Epson BX535WD Firmware Key
– Epson BX535WD 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.
– When the Epson BX535WD 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 BX535WD printer, the printer will warn not to recognize the cartridge and give error messages: Epson BX535WD 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 BX535WD. Fix Epson BX535WD printer error not recognizing external ink cartridges: Epson BX535WD Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson BX535WD printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson BX535WD printer.
– Epson BX535WD firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.
How to downgrade firmware Epson BX535WD
– Unplug all USB connections to the computer except keyboard, mouse, and Epson BX535WD printer need to downgrade firmware version.
– Download Downgrade Firmware Epson BX535WD:
– Free Download Software Downgrade Firmware Epson BX535WD for Windows: 
– Free Download Software Downgrade Firmware Epson BX535WD for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson BX535WD printer is supported with the firmware change feature:
– If supported, we see how to enter Service Mode (Update Mode) for Epson BX535WD color printer
Step2.: Connect the Epson BX535WD printer to the computer with a USB cable, then click Change Firmware to see how to enter Service Mode.
– How to enter Service Mode:
Step3.: Select Epson BX535WD printer to Downgrade Firmware.
Step4.: Select Epson BX535WD printer then click Update.
Step5.: select Yes to continue.
Step6.: Enter the Epson BX535WD Firmware Key, then click OK.
Step7.: Wait for the software to automatically downgrade the firmware version for Epson BX535WD printer.
Step8.: Click OK to complete the firmware version downgrade process for Epson BX535WD printer.
Step9.: Check the BX535WD printer firmware after downgrading the version.
Video tutorial to downgrade Epson BX535WD printer version:
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