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- HP Community
- Printers
- Printer Ink Cartridges & Print Quality
- HP7740 firmware downgrade

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09-07-2022 07:12 AM
A recent firmware upgrade now prevents me from using non-HP genuine 952 ink cartridges. How can I downgrade the firmware so that I can continue to use the cartridges that I have been using successfully , with no problem, for several years.
09-12-2022 11:43 AM
Hi @AHJDJ,
Welcome to the HP Support Community
I'd like to help!
You may refill your cartridges or use remanufactured cartridges, but you may run into problems. HP will not guarantee the functionality of those ink cartridges.
There are many cartridges in the market which is refilled and sometimes the chip is not configured to work with the printer. You need to contact the cartridge manufacturer and find out why it's not working. Try a different cartridge supplier and check if that works.
Update the printer firmware-
- Download available firmware updates from the HP website
- With the printer on and connected to the computer, go to HP Customer Support - Software and Driver Downloads, and then identify your printer.
- Look for and install any available firmware updates. Refer to the document HP Printers - Updating or Upgrading Printer Firmware
Hope this helps! Keep me posted.
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ANAND_ANDY
I am an HP Employee