What Does A Laser Printer Do

The drum then selectively collects electrically charged powdered ink and transfers the image to paper which.

What does a laser printer do.

Laser printers have become ubiquitous in the office and copying environment. Laser printers are similar to photocopiers. What do printer drums do. They spray tiny jets of ink onto a page.

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. Indeed as we describe later in this article the first laser printers were actually built from modified. As the paper passes through these rollers the loose toner powder melts fusing with the fibers in the paper. After the drum is charged it is rolled in toner a dry powder type of ink.

How laser printers work. The fuser rolls the paper to the output tray and you have your finished page. The term inkjet printer is very descriptive of the process at work these printers put an image on paper using tiny jets of ink. 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 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. Ink sticks to a laser printer s drum the way this balloon sticks to my pullover. Finally the printer passes the paper through the fuser a pair of heated rollers.

A laser printer is a popular type of personal computer printer that uses a non impact keys don t strike the paper photocopier technology. Laser printing is an electrostatic digital printing process. The first was developed in 1971 by xerox and in 1977 it was brought to the commercial market. Many people use laser printers in their day to day lives but most probably never think about the.

When a document is sent to the printer a laser beam draws the document on a selenium coated drum using electrical charges.