What I do is print out four large letters with each one being a different color, i.e. Black, Red, Yellow, and Blue. If any print out badly that's the one to replace.
Yes. Sometimes the nozzles get plugged or something and they won't dispense the ink properly and then the colors are wrong on the paper. I've had that happen to me and I replaced the cartridge and everything worked again.
I had the same problem with my MB2320. It started on Friday, June 3. I found the firmware update "fix" by Canon 4.010) that was released on June 3, 2022, however, when I downloaded and ran it it said it couldn't find the printer that was sitting ther...