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Posted By On June 9, 2006 @ 2:58 PM In Computer Terms | Comments Disabled
Ever wonder how a laser printer does its job? Well, to begin, a laser printer is a little different from a regular inkjet printer. A lot of people wonder how it can print words and pictures on to paper with just a single laser beam, but it sure can!
Basically, a laser printer works primarily with static electricity, believe it or not! While clothes dryers use static electricity to make clothes stick together, a laser printer uses it as a type of “temporary glue.” That “glue” is then used along with a revolving drum and some powder toner to print. Okay, let’s break this down a little more.
The laser beam from the printer creates the actual image (or whatever you’re printing) on the drum. The light from the laser then changes the electrical charge whenever it hits the drum. Next, the drum is rolled over the toner, which is then transferred to your paper through heat and pressure. A laser printer works similarly to a photo copier machine, so that’s a good way to think about it.
Laser printers are also dependent on resolutions. These printers range from 300 dpi (dots per inch) to 1,200 dpi. Some laser printers can achieve higher resolutions, which is known as resolution enhancement. Different printers also use various amounts of toners. A standard monochrome laser printer uses a single toner, while a color printer uses up to four toners. (Color printers are much more expensive though!)
Laser printers are known for printing high quality work and they are able to print a variety of fonts, images and graphics, which is very nice if you do a lot of that type of work. Keep in mind that if you’re going to be using the laser printer to print a lot of high resolution graphics, you’re going to need a printer with some extra memory.
Laser printers are also known for being quieter and a little bit faster than regular printers. So, there you have it, the basics of laser printers all wrapped up!
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