Thursday, July 22, 2010

LASER PRINTER....


Laser printers are page printers,which print one page at a time.The main components of a laser printer are a laser beam source,a multi-sided mirror,a photoconductive drum and toner.
To print a page of output,the laser beam is focused on the electro staticaly charged drum by spining multi-sided mirror.
The most common laser printers have resolution of 600 dpi,some high quality laser printers have resolution of 1200 dpi.
Very high speed laser printer can print 500 to 1000 pages per minute.Because of their better quality print and speed they are more expensive..

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