Printers and scanners allow us to transfer the information we see on our screens and apply it to many different forms. We'll explore printer types, such as inkjets, laser printers and scanners.


Set Your Printer for Green-ficiency

Set your printer for green-ficinecy. Learn how to set your printer to save you money and the environment.

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  • How 3-D Printing Works
    How 3-D Printing Works

    People are used to printing out all sorts of two-dimensional documents and photos on their home printers, but imagine if you could do the same with 3-D items like toys or even furniture. Find out how 3-D printing is making that scenario a reality. See more »

  • How can you print without ink?
    How can you print without ink?

    Inkless printing? It doesn't seem possible. But one company's prototype inkless printer can print as well as erase documents. That means paper can be reused. How green is that? See more »

  • How does a bubble jet printer work?
    How does a bubble jet printer work?

    Bubble jet printers are a type of inkjet printer. What makes this version so popular? See more »

  • How Ink-free Mobile Photo Printers Work
    How Ink-free Mobile Photo Printers Work

    A printer that fits in your pocket? Won't ink drip out of it and stain your clothes? Not with this ink-free portable device. Snap a photo with your digital camera or cell phone and print it instantly. See more »

  • How Inkjet Printers Work
    How Inkjet Printers Work

    Inkjet printers shoot miniscule droplets of ink onto paper to create a seemingly fluid stroke. And with prices dropping since their introduction in the late 1980s, these printers are more popular than ever. See more »

  • How Laser Printers Work
    How Laser Printers Work

    Laser printers are fast, precise and inkless. So how do the words get there? How can a laser beam write on paper? Read about laser printer technology. See more »

  • How Offset Printing Works
    How Offset Printing Works

    Offset printing is the technology that makes most magazines and catalogs possible. See how the offset printing process puts full-color images on paper. See more »

  • How Scanners Work
    How Scanners Work

    Before the digital camera explosion, flatbed scanners were the way to get images into a PC and online. These devices turn images on paper into data you can access on a computer. Find out how scanners analyze, process and transfer images. See more »

  • My scanner has a resolution of 9600x1200 dpi -- what do those numbers mean?
    My scanner has a resolution of 9600x1200 dpi -- what do those numbers mean?

    Scanners vary in resolution and sharpness, and their dots per inch (dpi) are determined by two "sampling rates." Find out how they affect your scanner's functionality. See more »

  • The Ultimate 3-D Printing Quiz
    The Ultimate 3-D Printing Quiz

    Regular printers are pretty handy, but their up-and-coming cousins, 3-D printers, add a whole new dimension to the printing process. Literally! How much do you know about the fascinating field of 3-D printing? Take this quiz and find out! See more »

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