Laser Printer Definition

DocumentID: 656390
Revision Date: 29-Feb-96 8:29:42 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: Laser Printer: The laser printer is a peripheral device for the output of data from the computer one page at a time, rather than a character or a line at a time. The laser printer is a combination of an electrostatic copying machine and a computer printer. The output data from the computer is converted by an interface into a raster feed, similar to the impulses which a TV picture tube receives. The impulses cause the laser beam to scan a small drum which carries a positive electrical charge. Where the laser hits, the drum is discharged. A toner, which also carries a positive charge, is then applied to the drum. This toner, which is fine black powder, sticks only to the areas of the drum which have been discharged. As it rotates, the drum deposits the toner onto a negatively charged sheet of paper. Another roller then heats and bonds the toner to the page.

Answer:

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