February 2000
Intermediate to advanced
232 pages
6h 49m
English
Laser printing is a dry process in which images are created through the attraction of opposite electrostatic charges. A photoconductive drum is charged uniformly with a corona wire or a charge roller. Responding to a laser beam, the image to be printed is written on it. Toner, which is oppositely charged, is then brought into contact with the drum. Paper, whose reverse side has received a charge opposite to that of the toner, receives the image and then passes through a fuser that melts the toner onto its surface.
Fax machines with laser printing are used almost exclusively in large, high-volume business applications. They have not been price competitive with inkjet or thermal transfer machines, and for that ...
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