Power supply issues are the main cause of this problem. If your computer or printer is not directly connected to the main power source, say they are connected through a UPS, the UPS might be faulty.

When you hear the word "printer," you probably think of that machine connected to your computer that spits out boarding passes, greeting cards, and photos (sometimes guzzling ink in the process).

More affordable than ever, 3D printers are booming for personal, professional, and educational use. Here's everything to know before you buy one, along with the top models from our hands-on testing.