After typing sudo apt-get update, I got a message saying some files could not be fetched or were absent, or some older files might have been used. Next, after trying to install cnijfilter-mx870series, or any other series (such as pixusip4100series), it said that package could not be found. I'm having no luck. Charles
I tried that. It said "no matches found" for the Canon PIXMA MP780. Then the next window said the printer was either "unplugged or turned off." Still stuck. Charles
I tried the gimpprint, but when I gave the command to unpack the gutenprint file, I received a message, "cannot open; no such file or directory." Charles
I tried it again; it said, "this does not look like a tar archive" . Am I missing something? Charles