topic Getting error 7700 on my Pixma TR4722 while using Canon cartridges in Desktop Inkjet Printers

Getting error 7700 on my Pixma TR4722 while using Canon cartridges

RMerideth — Mon, 23 Feb 2026 18:02:07 GMT

Hi All,
Has anyone had the error 7700 on a Pixma while they are using new Canon cartridges? What is the solution?

Rene

Re: Getting error 7700 on my Pixma TR4722 while using Canon cartridges

DerrickL — Mon, 23 Feb 2026 21:37:59 GMT

Understanding Error 7700 on Canon Pixma TR4722

Error 7700 on the Canon Pixma TR4722 typically indicates a problem with the printer's ink system. This error can arise due to various reasons, including issues with the ink cartridges or the printer's internal mechanisms.

Common Causes of Error 7700

Incompatible Cartridges: Ensure that you are using genuine Canon cartridges that are compatible with the TR4722 model.
Cartridge Installation: Check if the cartridges are installed correctly. Remove and reinsert them to ensure a proper connection.
Ink System Malfunction: There may be a malfunction within the printer's ink system that requires troubleshooting.

Troubleshooting Steps

Check Cartridges: Verify that the cartridges are not expired and are properly seated in their slots.
Reset the Printer: Turn off the printer, unplug it for a few minutes, then plug it back in and turn it on.
Update Firmware: Ensure your printer's firmware is up to date, as updates can resolve various issues.
Contact Support: If the error persists, consider reaching out to Canon support for further assistance.

Re: Getting error 7700 on my Pixma TR4722 while using Canon cartridges

RMerideth — Tue, 24 Feb 2026 19:43:05 GMT

Thanks for your help. I have already done all of those steps and still nothing. I think I've got a lemon, but I'll contact support directly. It might just be a bad part or something.

Re: Getting error 7700 on my Pixma TR4722 while using Canon cartridges

DerrickL — Tue, 24 Feb 2026 20:17:07 GMT

I suspect a bad cartridge