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‎05-05-2026 11:50 AM

HP Recommended

Owning the printer HP 2723E for several years, everything was fine until the firmware was automatically upgraded. Currently, the running firmware is TCP1FN2550DR (12/2025). It doesn't accept any third-party cartridges or remanufactured HP ones anymore.
I did restart the printer, cleaned the chip and also reinstalled the printer setup, but nothing has changed.
It prompts the following message:

 

''A non-HP circuit was detected.

The printer firmware has blocked the indicated cartridges because they contain a non-HP circuit. This printer is intended to work only with new or remanufactured cartridges that have a new or remanufactured HP circuit. Replace the indicated cartridges to continue printing. For more information, visit www.hp.com/learn/ds.

Buy supplies''


I am in a big need to revert to the older firmware that doesn't have this restriction anymore. 

I have read that maybe it's necessary to access the root level of the printer or download some ftp files...
Any recommendation is appreciated. 

Thanks & Regards,

Omar

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