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When you have to print some important high quality documents where the text should have a sharp look with excellent clarity in color graphics, you will find Laser/LED printers very significant. In spite of continuous downfall in prices of printers in general, Laser Printers are quite expensive compared to Inkjet printers. But when compared in long run with life of toner cartridges, these printers are cheaper.
The cartridges of printers with laser technology are not inexpensive. For replacement of a cartridge you will have to spend about $60. But it lasts a long time. For instance, you can take out about 2,000 pages from a HP LaserJet cartridge. Unlike Inkjet printer, with Laser printer, it does not require to have any special paper to take out best print.
Melting plastic toner powder is used onto the paper for creating images by Laser Printers. This printer uses static electricity to give positive charge to a rotating drum and due to which toner powder is attracted to it. When paper is inserted in the printer and slides over the drum, there is a negative charge of static-electricity on the paper that attracts the toner from the drum. Thereafter the heat rollers press the paper and melt the toner powder to the paper. The toner is melted by laser. In the LED printers, there is a series of LED lights that are used. From time to time you need to replace the toner of the laser printer. You can do it without any difficulty. You have to simply pull out the cartridge of old toner and insert the new cartridge.
Compared to Inkjet printers, laser printers do not make noise and also woks fast. You can take out a page in about 10-15 seconds with best quality.
When it comes to price, you will find that a good quality monochrome laser printer is available at a starting price of about $160 while it may cost a little higher with some additional features.
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Source by Jim Johannasen
