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Inkjet or laser? Need just printing, or have to scan and copy, too? Seeking low-cost ink, or a low-cost printer? Here's how to choose the right printer for home or work, backed by our top lab-tested ...

If you insist on using your router's USB port, there are two important precautions to follow. First, only use it for non-critical files. Don't share or transfer anything sensitive through the port.