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‎08-16-2022 02:08 AM

HP Recommended
Product: HP OfficeJet Pro 7720 Wide Format All-in-One Printer
Operating System: Microsoft Windows 11

Hello!

Since last week i can't use cartridges of other brands in my offijet 7720. Through the HP smart or IP-adres webservice i can not disable the cartridge protection.
Can you guys help me out?

5 REPLIES 5

‎08-16-2022 06:10 AM

HP Recommended

Cartridge protection has nothing to do with not being able to use non-HP cartridges.




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‎08-16-2022 06:29 AM

HP Recommended

Okay, can you tell me what ever it is instead of cartridge protection?

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‎08-16-2022 06:36 AM

HP Recommended

It's the latest firmware preventing from using non-HP ink cartridges.

 

Dynamic security enabled printer. This Firmware includes dynamic security measures, which are used to block cartridges using a non-HP chip or modified or non-HP electronic circuitry. 




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‎08-16-2022 06:40 AM

HP Recommended

Is there a way to downgrade to a previous firmware to use non-HP cartridges?

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‎08-16-2022 06:52 AM

HP Recommended

If you are able to find a previous version without a dynamic security feature yes.




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