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hello, my epson wf7710 printer is using a chip-free version (I bought an activation key), but because I accidentally let the printer update the latest firmware version 10.44.FA25JA, the printer says it doesn't accept the toner cartridge now. . I downloaded the firmware downgrade software version A0.40.FA27HC and followed the instructions, but when completed, the screen on the printer still says version 10.44.FA25JA. So the downgrade failed. Please help me downgrade the firmware for epson 7710, thanks.

 

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Download and extract this Firmware Version - FA99Z9 - http://chiplesssolutions.com/download/WF7710_FWG535TL_FA99Z9.zip
Upload firmware to  printer in normal mode  - dont put printer in Program Update mode.
The uploading process will stuck at 70-80% -  it is ok!
Open task manager and stop updater process.
Printer will blink for about 5-15 minutes - then will power OFF.

Now power on the printer - chipless firmware is installed now in your printer!

Please reply about results.

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I cannot find WF-7210 on that list.

There are similar printers listed.

WF-7710, WF-7711, WF-7715, WF-7720, WF-7721, PX-M5080F, PX-M5081F

Will this firmware work on WF-7210?

ALAN 

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