Chipless Printers
Why Use Epson PX-1600F Firmware Key
– Epson PX-1600F 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 PX-1600F 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-1600F printer, the printer will warn not to recognize the cartridge and give error messages: Epson PX-1600F 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-1600F. Fix Epson PX-1600F printer error not recognizing external ink cartridges: Epson PX-1600F Incompatible Ink Cartridge, ink cartridges are not recognized, the ink cartridge is not recognized.
– After Downgrade Firmware for Epson PX-1600F printer, the printer can recognize the ink cartridge or we can install a compatible ink cartridge for Epson PX-1600F printer.
– Epson PX-1600F firmware key can fix data recovery mode errors, freezes, and cannot boot into normal mode.
How to downgrade firmware Epson PX-1600F
– Unplug all USB connections to the computer except keyboard, mouse, and Epson PX-1600F printer need to downgrade firmware version.
– Download Downgrade Firmware Epson PX-1600F:
– Free Download Software Downgrade Firmware Epson PX-1600F for Windows: 
– Free Download Software Downgrade Firmware Epson PX-1600F for MAC OS:
Step1.: Install the Wicreset software, then check if the Epson PX-1600F printer is supported with the firmware change feature:
– If supported, we see how to enter Service Mode (Update Mode) for Epson PX-1600F color printer
Step2.: Connect the Epson PX-1600F 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 PX-1600F printer to Downgrade Firmware.
Step4.: Select Epson PX-1600F printer then click Update.
Step5.: select Yes to continue.
Step6.: Enter the Epson PX-1600F Firmware Key, then click OK.
Step7.: Wait for the software to automatically downgrade the firmware version for Epson PX-1600F printer.
Step8.: Click OK to complete the firmware version downgrade process for Epson PX-1600F printer.
Step9.: Check the PX-1600F printer firmware after downgrading the version.
Video tutorial to downgrade Epson PX-1600F printer version:
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