2009年1月19日星期一

Users notice -- for buying a Laser Printer

The first step in selecting a printer is to settle on which printing technology to use. While a few years Laptop Accessories ago companies were choosing between dot-matrix and daisy wheel printers, now the choice is between laser, ink jet and solid ink.Laptop Battery

Laser printer technology is based on the process used Laptop AC Adapter to make a Xerox copy of a document. It was developed by in the 1930s by patent attorney Chester Carlson as an easier way to make carbon copies of patent applications.
Print quality / resolution

Printing quality is described in “dots per inch” (DPI).Toshiba laptop battery Laser printers generally offer 600 – 1200 dpi printing, and this is adequate to provide sharp printed text and reasonably smooth photos.
Printing speed

Printers always quote a “per page” print speed, but be aware that this is the print speed after the printer has done the initial processing work required to render a page visually.Printer Battery
Paper handling

A key difference between cheaper Laptop Keyboard laser printers and slightly Laptop Car Charger more expensive ones is their paper holding LCD Panel capacity. The cheapest lasers – around the $100 - $150 mark – will only have enough space LCD AC Adapter for 50-100 sheets in an inkjet-printer style feeder.
Double-sided printing

Double-sided printing (duplexing) Universal Power Supply used to be the exclusive domain of printers for corporate workplaces costing thousands
Floppy Disk Drive of dollars.
In Europe, for example, Gartner predicts Slim Optical Drive sales of color MFPs will grow at a rate of 23 percent annually for the next four years. Prices Car Electronic Product start at around $300 for a monochrome laser Acer laptop battery MFP and $700 for color. While more expensive than a dedicated printer, they Apple battery are cheaper than buying separate printers, copiers, faxes Compaq laptop battery and scanners.
Tips
Look for at least 600-by-600 dpi (dots per inch) resolution.
Printer RAM will affect Dell laptop battery the printer's speed and ability to handle large files. If the printer includes many built-in fonts, HP laptop battery that may also
Be wary of terms such as "laser class printer." These inexpensive Sony laptop battery printers use toner cartridges, but use LEDs instead of lasers, and produce an inferior text quality.

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