How do I print a coloring page from this site?

Open any coloring page on Coloring-Pages.com and click the "Print this coloring page" button below the image — your browser's print dialog opens with the page already sized correctly. For best results, set paper size to Letter (8.5×11") or A4 (210×297mm), set margins to "None", and turn on "Background graphics". Hit Print and you're done.