Inkjet cartridges are tanks that connect to a print head to create small ink dots, which can be combined to form color images. Most cartridges follow the CMYK color model and some have a built-in print head. Print quality depends on resolution and paper quality.
Inkjet cartridges are extremely popular – most computer users are familiar with inkjet printers, as they provide relatively high quality printing and can be used in a variety of industries. The principle used by inkjet cartridges is very simple and easy to understand. Inkjet cartridges are ink tanks that connect to a series of small nozzles called a print head that are used to create very small ink dots. In a single color like black, nozzles can be used to form text. The colors in inkjet cartridges can also be combined to form a color image.
Most color inkjet cartridges follow the cyan, magenta, yellow, and key or black (CMYK) color model. The four colors are contained in separate tanks, sometimes within a single cartridge and sometimes sold individually as separate inkjet cartridges. They can be mixed in specific amounts to form hundreds of potential colors, creating lush, even-toned color images on a wide variety of papers. When a user prints a document, the data sent from the computer to the printer includes the specific CMYK formula for each pixel in the image, and the print head replicates this with hundreds of tiny nozzles firing simultaneously.
Many manufacturers produce inkjet cartridges with a built-in print head. The reason is that the print head is one of the most used parts in the printer: by including it with inkjet cartridges, manufacturers ensure that the print head is replaced frequently, allowing for high print quality. The print head ejects ink using heat or vibration. Thermal print heads vaporize the ink, turning it into a small bubble that is pushed out of the nozzle and onto the paper. Vibrating print heads push out ink with movement.
Print quality can vary greatly with inkjet printers, as most users know. Several factors can affect print quality, starting with resolution. The higher the resolution, the higher the image quality, because resolution refers to the number of dots per inch (DPI) the printer can produce. Images that look grainy or ragged are produced on low DPI printers. The paper used can also affect the quality, as low quality paper tends to allow ink to disperse onto the paper, blurring the edges of the dots. High-quality printer paper doesn’t allow for this, meaning every dot remains sharp and distinct.
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