Showing posts with label article. Show all posts
Showing posts with label article. Show all posts

Tuesday, September 1, 2009

Finding a Laser Printer With Two-Sided Printing

Assess your needs. A laser printer is a serious investment and duplex laser printers are often higher in price than the average laser printer. Do you need this duplex laser printer to be a workhorse in a network of computers, or is it just for simple at-home user

Set a budget. You have assessed your printing needs. Now you need to examine how much you (or your business) are willing to spend to get the printer that meets most of these needs. Do online research. Using an Internet search engine, you can easily find Web sites dedicated to comparing different brands and models of duplex laser printers in all price ranges.

Read ratings and reviews online. Each duplex laser printer will be rated and/or scored in various categories. Each printer will be given an overall rating/score.  Compare your duplex printers in side-by-side comparisons. Important comparisons to make include image quality, printer speed and network capability.

Research printer quality and speed. Resolution is measured in dots per inch (dpi). Quite simply, the higher the dpi, the better the print quality. Print speed is measured in pages per minute (ppm). Memory is an important category for comparison. If you have several different people using the same printer and more than one job is sent to the printer at once, printers without sufficient memory will lose jobs and sometimes freeze.

Read customer reviews on duplex laser printers. Find out what people who have already bought that printer have to say about it. Research online customer reviews by typing in the brand name and model of your duplex printer into a search engine.

Call around to different electronics and department stores and find the best price on the duplex printer you want. Compare these results with prices you find online.

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What type of a printers in the market

a. Letter Quality
Is a printer that can print with a quality such as typewriter so the writing is solid and clear. Quality letter type using element to print the letters, such as the IBM electric typewriter which uses a ball element. Weaknesses dad is a letter quality printer is average speed between 8-80 characters per second but can not print the weaknesses graphics.

b. Dot Matrix
Dot matrix is the system the formation of a number of characters point dot matrix printer has the element consisting of needles so depressing ribbon can print on paper. How to print is called impact. The advantages of this printer is printing speeds that reached 400 cps, which is five times faster and can print graphics., but the letters are not as good  Quality letter. How weaknesses of these printers work is printed from left to right, then from right to left on the next line, so to print one line of text to be slow.

c. Thermal Printer
Quality thermal printers with dot matrix because it works the same principle, only the thermal printers use heat and not pressure or impact. The advantage of thermal printers are more. quiet (not noisy) and has a high speed of 6 pages per minute, his weakness is the need to use special paper.

d. Ink jet
Inkjet printers use ink. 'Printer "using an electric charge so more calm and have a high speed of s / d 270 cps, and can be included with colored ink. The downside to ink jet printers use special paper so that the mold must be dry before  other color on him.

e. Laser Printer
How it works is almost the same printer with photocopy machines, photocopy machines the difference in reflection focused on a rotating cylinder, while laser printers are created with image point by point as semiconductor lasers. Quality of the writing laser is similar to the letter because 1cm quality dad 750 points. Print speed is 8 pages weakness permenit expensive.

f. Interface
Printer can be connected to a computer in series with the RS-232C or parallel with Centronic. But because the world has not the default printer, computer technology and then to run a different printer types can be used a computer the software.

g. Plotter
Plotter is one of the output device used to draw graphs and others. The difference with the printer using the digital system, which is analog. Example graph plotter is ECG (Electro Cardiograph) is a tool used to determine the potential of the pulsating heart, or a seismograph needle to record the vibrations of the earth. Plotter can draw graphs on paper, plastic, or in transparent plastic to be used

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