What Does A Laser Printer Do

After the drum is charged it is rolled in toner a dry powder type of ink.

What does a laser printer do. The first was developed in 1971 by xerox and in 1977 it was brought to the commercial market. Ink sticks to a laser printer s drum the way this balloon sticks to my pullover. Ink jet printers are fairly easy to understand. Laser printing is an electrostatic digital printing process.

The term laser printer on the other hand is a bit more mysterious how can a laser beam a highly focused beam of light write letters and draw pictures on paper. Laser printers are similar to photocopiers. What do printer drums do. The drum then selectively collects electrically charged powdered ink and transfers the image to paper which.

Finally the printer passes the paper through the fuser a pair of heated rollers. Many people use laser printers in their day to day lives but most probably never think about the. A laser printer is a popular type of personal computer printer that uses a non impact keys don t strike the paper photocopier technology. They spray tiny jets of ink onto a page.

At the heart of a laser printer is the printer drum a large cylinder to. Your office laser printer on the other hand relies on a somewhat more mysterious method to convert a digital image to print. As the paper passes through these rollers the loose toner powder melts fusing with the fibers in the paper. Laser printers are a lot like photocopiers and use the same basic technology.

It produces high quality text and graphics and moderate quality photographs by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a drum to define a differentially charged image. When a document is sent to the printer a laser beam draws the document on a selenium coated drum using electrical charges. Laser printers have become ubiquitous in the office and copying environment. The rapid crisp printing soon made these printers a popular choice for many consumers although the internal workings of the printer remained mysterious to many.

The fuser rolls the paper to the output tray and you have your finished page.