There's a picture on the Internet that I want to
print, but it's slightly too tall to fit into my
screen...
The answer to your question depends a several things.
Changing the screen resolution or "geometry" does
not change how something is printed. So is your
question the right question. Are you trying to make
it "fit into your screen"? Or are you trying to
make it print on a single sheet of paper?
NOTE: If the goal is to fit it on the screen, there
are many ways you can do that. Maybe the easiest is
to select Print in whatever program you are using to
see the image. In the Print dialog window, click the
Save as PDF... button. This will allow you to save
the page printout as a PDF file. Double-clicking on
the file should open it in Preview app. In Preview,
you can adjust the "magnification" to make it all fit
on your screen.
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Thanks for the almost instantaneous reply. I've copied it because it contains useful information that I might need in the future; for now, however, I somehow managed to stumble into a solution while waiting for a reply. Oh, now I realize where I had gone wrong, and why I was finally succesful. At first, I tried to copy the screen by using the COMMAND
SHIFT4. And, as you know, when using this system, you can only print what is on the screen. Later, well, I'm already a little fuzzy on what I did, but I didn't use the "Screen Capture" method. Thanks, again.