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Drop On Demand Printers
By Bill Smith
Most HP and Epson printers are drop on demand printers. They use electrical pulses to fulfill requests for ink. The ink is expelled out of the print head by a bubble which forms as a reaction to being heated. Once the ink is propelled out of the cartridge, the bubble cools, contracts, and forms a vacuum of sorts, which pulls more ink into the nozzle.
HP DeskJets and BubbleJets are popular examples of printers that use this technology.
Epson printers work on the same principal with the exception of a minor twist - they use a transducer to produce the droplets in what is referred to as piezoelectric DOD.
So what about the ink - does it matter what kind you buy as a replacement?
The answer is yes, it does matter.
The ingredients that go into ink play a huge role in the quality of your printouts. All ink manufactures work to strike the delicate balance between print quality, time it takes to dry, and nozzle performance. As you might have guessed, as the print quality improves, the dry time increases.
Manufacturers have to be careful that the ink does not dry too quickly - there is the danger that it will actually dry on the nozzle. This can ruin your print head, definitely clogging up your nozzle, and reducing the print quality. About the Author Bill Smith is an editor at http://www.inkcartridgesworld.com. He has written hundreds of articles about printers and ink cartridges, some of which can be found at http://www.inkcartridgesworld.com.
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What you Need to Know Before Buying Your Next Printer There are many different printer types and models in the market today -- so many in fact that you really have to give serious thought to how you’re going to use your next printer. Some printers ...
The Truth About Printer Paper Contrary to popular belief, the quality of your printer paper can have a serious impact on the quality of your ...
The Printer Cartridge Game Think you got a great deal on a printer? Like the rest of us, you probably paid $50 to $75 for a decent Epson or Lexmark printer. ...
Printers: What Really Happens When You Hit “Print” You just poured hours upon hours into a lengthy research paper. All that’s left to do is print it out. And that’s the easy part, right? Sure looks easy from the user perspective, but it’s actually ...
Is A Laser Printer Right For Me? The average home computer user definitely does not need a laser printer. Sure laser printer prices have fallen considerably in the last couple of years. But have you look at the cost of laser toner? ...
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