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How Does An Inkjet Printer Work?

Inkjet printers are the most popular type of printers, and there is a good reason for that. They can print in color or black and white, they're affordable, and they provide excellent quality. But how does an inkjet printer work? It works by using tiny dots to form pictures on paper. So how do these dots get onto the paper? To understand this we need to know two things: what's inside an inkjet cartridge and how images are formed on a computer screen.

Inside an inkjet cartridge are tiny drops of cyan, magenta, yellow, and black ink. When the printer is turned on, these drops are heated until they turn into a gas. Then they're shot out of the nozzle at high speed and onto the paper. As the gas cools, it turns back into a liquid and forms a dot on the paper. This process is repeated over and over again to create an image.

When you're looking at an image on your computer screen, what you're seeing is actually a series of tiny dots called pixels. To create an image, these pixels are arranged in rows and columns. The number of rows and columns depends on the resolution of the image. High-resolution images have more pixels and a greater number of rows and columns. Low resolution images have fewer pixels, which are arranged in less rows or columns.

Inkjet printers come with different resolutions. For example an HP DeskJet Ink Advantage 4630 All-in-One Printer has a maximum print resolution of 1200 x 2400 dpi (dots per inch).

If you're shopping for your first home printer, there's no need to spend hundreds on one that does everything just because it can do practically anything - like printing photos from mobile devices or scanning documents into digital files. Just pick up this $55 model instead! It does everything you need it to do and more for a fraction of the cost. The HP DeskJet Ink Advantage 4630 All-in-One Printer prints in black and white or color, plus has built-in wireless printing so you can print from anywhere around your house!

About William Elward

Founder of Castle Ink, William Elward has 20 years experience in the printer industry. He's been featured on CNN Money, Yahoo, PC World, Computer World, and other top publications and frequently blogs about printers and ink cartridges. He's an expert at diagnosing printer issues and has published guides to fixing common printer issues across the internet. A graduate of Bryant University and Columbia's Sulzberger Executive Leadership Program, he's held various leadership positions at The College Board, Bankrate, Zocdoc, and Everyday Health. Follow him on Twitter at William Elward's Twitter Profile