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Bring the page on screen and press the Print Screen button - this captures everything on screen and places it on the clipboard.
Then you can paste into a new canvas in your favorite image editor and crop as needed. If you want to get material from "below the fold", just scroll down, take a second Print Screen, and paste into the same canvas, matching up the "seam".
On Macintosh:
Any help here?
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By the way, you can also paste the screenshot from the clipboard directly into MS Word. I often get screenshots from clients and users this way, so I can see the problems they are reporting.
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