The rise of tablet computers, such as Apple's iPad, and e-book readers, such as Amazon's Kindle, has resulted in a rise in popularity for electronic versions of books. If you want to use one with a ...

Q: I use an HP Envy Photo 6255 printer with my new Apple iMac desktop. When I scan a plain black and white document and save it to my desktop via the printer, it always comes over in a photo format.

The PDF format is meant to be non-editable, but if you scan a document that comes out too light or receive a contract with type that is too faint to read, you need a way to darken a PDF. Here are a ...