I have a 10 year old MP490 that I had not used for about 2 months. It is connected to an iMac, and had worked fine prior to the two month hiatus. When I tried to use it after the two month period, the print quality is extremely faint. It worked ju...
I think you may have put me on the right path. I called Apple support again. They advised (if I understood her correctly) that I cannot go back to OS 10.12 unless I first back up everything to an external hard drive. Not feeling comfortable doing ...
The Mac OS version is 10.13.6 and it cannot be upgraded on this machine. Don't recall if I mentioned this in my original post, but I was able to hook up a Windows laptop, and the printer performed perfectly.