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Inkjet Printer Cartridges: How Do They Work?

When one looks closely at the famous painting A Sunday Afternoon on the Island of La Grande Jatte by Georges Seurat you can see the basic principle behind the modern inkjet printer. Seurat excelled in the painting style known as pointillism, which is the creation of a cohesive image from a multitude of small dots of color. It is the same idea you can see at work in modern newspapers. If you look closely you can see the photos printed on the front page are constructed with thousands of tiny dots clustered closely together.

The modern inkjet printer works on exactly the same principles. Using miniscule nodules on the printer cartridge head your inkjet printer can make images of stunning clarity and vibrancy. So clear in fact that it might be hard to see the individual dots without a magnifying glass. Most modern inkjet printers create dots between 50 to 60 microns wide. How small is that? For a good comparison look at an average human hair, at its widest it will only be 70 microns in diameter.

How does an inkjet printer cartridge make such tiny dots? The key is the print head, the small rectangular area at the base of your printer cartridge closest to the paper itself. The print head is the most precise and the most active part of your printer. It’s for this reason that it is usually attached to the ink cartridge, so as to assure it gets replaced when it has been used to the maximum of its potential. In the majority of inkjet printers the print head uses a tiny heating element to warm the ink, causing it to expand and create a microscopic bubble. Quite quickly the bubble bursts, forcing ink out of the print head and creating a tiny vacuum which draws more ink out of the cartridge reservoir. As you might imagine all of this happens quite quickly and on an almost unobservable scale.

Alternatively, Epson printers achieve ink application to the paper is through the manipulation of piezoelectric crystals which change orientation through the application of an electrical charge. By aligning the crystals tiny holes appear to allow the warmed ink to pass from the printer head onto the paper. This allows for a very precise application of very small ink droplets.

The average print cartridge can deliver 5,000 drops of ink per second, traveling across the breadth of a piece of A4 paper in the same amount of time printing one line of pixels as it goes. The average inkjet printer can make a full color printed page in less than one minute, with the ultimate top speed of any printer defined by the number of dots per inch (DPI) it is designed to deliver. The higher the DPI the more microscopic nodules can be found on the print head and consequently the more dots that can be printed with one pass.

Many ink cartridges can contain more than one color of ink. Usually this means the average consumer printer can function in full color capacity using only 2 ink cartridges; one for black ink and one for a combination of basic color elements.

As with any piece of sufficiently small and exceedingly complex technology there is a chance for malfunction or error but in the case of the inkjet printer cartridge problems rarely occur. Despite the fact that many functions are taking place at a high rate of speed the basic mechanics are relatively simple. This reliability and continuing high level of print quality is why inkjet printers continue to be so exceedingly popular among both personal and business consumers.

About the Author

Kathryn Dawson writes articles for Cartridge Shop, one of the cheapest places to buy ink cartridges online within the UK. Cartridge Shop supplies only high quality cartridges from leading manufacturers. You can find originals as well as compatible cartridges depending on your budget. Look out for their twin pack deals for hp deskjet f4580 ink cartridges and hp deskjet f4280 ink cartridges, one of their best selling items that come with free delivery.

Original Genuine HP 300 Black & Colour Ink Cartridges for Deskjet F4580 Printer £19.90

PRINTER INK CARTRIDGE black for HP 300 XL Deskjet F4580 F4583 £10.48

300XL Black Ink Cartridge for HP Deskjet F4492 F4580 £9.76

300 Black Ink Cartridge for HP Deskjet F4492 F4580 300 £7.75

300XL Colour Ink Cartridge for HP Deskjet F4492 F4580 £7.79

HP 300 QI Re-engineered Tri-colour Ink Cartridge for Deskjet F4580 £8.75

300XL Black Ink Cartridge For HP Deskjet F4580 F4583 Printers FREE Postage £10.95

2 HP 300 Bk/Col ink cartridge for Deskjet F4580 printer £22.99

MULTI COLOR INKJET INK Cartridge for HP Deskjet F4580 F4583 £11.35

2x XXL INK Cartridge black / colour for HP Deskjet F4580 / F4583 £24.54

MULTI COLOR INKJET Cartridge for HP Deskjet F4580 F4583 £11.35

HP 300 black & colour twin reman ink cartridges. For HP Deskjet F4288 F4580 £14.40

300XL Colour Ink Cartridge For HP Deskjet F4580 F4583 Printers FREE Postage £10.95

300 XL Black Ink Cartridge for Deskjet F4492 F4580 compatible with HP £8.99

HP No 300 Colour Ink Cartridge For D1660, D2500, F4580 £16.99

HP No 300 Black Ink Cartridges For D1660, F4500, F4580 £13.99

300XL Black Ink Cartridge for HP Deskjet F4492 F4580 £7.96

HP 300 colour Ink cartridge for F4580 F4583 C4600 £11.36

300XL Black Ink Cartridge for HP Deskjet F4580 F4583 £10.86

HP 300 Original Printer Ink Cartridges for Deskjet F4580 Printer £24.74

H 300 / HP300 Black Remanufactured Premium Ink Cartridge for Deskjet £21.95

Combo Pack HP 300 Ink Cartridges for F4580 C4680 C4780 £12.85

Original Genuine HP 300 Black & Colour Ink Cartridge for Deskjet F4580 Printer £20.15

Ink Cartridges for HP DJ F4580 Black & Colour No. 300 £29.99

Any 2 Printer Ink Cartridges for HP DJ F4580 No. 300 £29.97

1 Black Printer Ink Cartridge for HP DJ F4580 No. 300 £8.99

1 Colour Printer Ink Cartridge for HP DJ F4580 No. 300 £14.99

BLACK INK CARTRIDGE FOR HP 300XL CC641EE FOR HP DESKJET F4288 F4500 F4580 F4583 £13.49

BLACK INK Cartridge for HP Deskjet F4580 F4583 £10.45

TRI-COLOUR INK CARTRIDGE FOR HP 300XL CC644EE FOR HP DESKJET F4500 F4580 F4583 £13.49

HP No 300XL Black Ink Cartridge For F4500, F4580 £22.99

300XL Colour Ink Cartridge for HP Deskjet F4492 F4580 £4.40

300XL Black Ink Cartridge for HP Deskjet F4492 F4580 £4.40

300XL Black Ink Cartridge for HP Deskjet F4492 F4580 £8.99

300XL Colour Ink Cartridge for HP Deskjet F4492 F4580 £89.99

Original HP 300 ( CN637EE ) B & C Ink Cartridges for Deskjet F4492 F4580 F4583 £19.98

Compatible HP 300XL Black Ink Cartridge x 2 for Deskjet F4483 F4492 F4580 F4224 £17.96

HP 300XL Black & Colour Ink Cartridge For Deskjet F4492 F4580 F4583 Free p&p £17.70

HP No 300XL Colour Ink Cartridge For F4500, F4580 £25.99

300XL CC641EE CC644EE B & C Ink Cartridges for HP Deskjet F4580 F4583 F443 £14.49

300XL Txt ( CC641EE CC644EE ) B & C Ink Cartridges for HP Deskjet F4580 F4583 £16.82

1 Black + 1 Colour Remanufactured Printer Ink Cartridges for HP DJ F4580 [300] £29.99

1 Black Remanufactured Printer Ink Cartridge for HP Deskjet F4580 [No. 300] £8.99

1 Colour Remanufactured Printer Ink Cartridge for HP Deskjet F4580 [No. 300] £14.99

1 Set of Remanufactured Printer Ink Cartridges for HP Deskjet F4580 [No. 300] £29.99

2 Black + 1 Colour Remanufactured Printer Ink Cartridges for HP DJ F4580 [300] £34.99

2 Black + 2 Colour Remanufactured Printer Ink Cartridges for HP DJ F4580 [300] £49.99

2 Black Remanufactured Printer Ink Cartridges for HP Deskjet F4580 [No. 300] £13.99

2 Colour Remanufactured Printer Ink Cartridge for HP Deskjet F4580 [No. 300] £29.98

2 Sets of Remanufactured Printer Ink Cartridges for HP Deskjet F4580 [No. 300] £49.99