Performance of Inkjet Printer

Inkjet printers are characterized by their simple mechanism. There is no need to prepare program blocks like offset printing, and no need for heat-fixing processes such as electrophotography used in copiers and laser printers.

Since it's a direct inkjet system, it doesn't need to flatten the print media like other types of printers, for example, depending on the media transport, some media can print on anything other than paper. On the other hand, it is not suitable for printing a large number of identical documents. Also, the cost per color can be kept low compared to other printing methods. Therefore, it is relatively easy to achieve multi-color printing with more than 6, 7, or even 10 colors.

Performance of Inkjet Printer

Resolution

DPI is an important standard for the industry to measure print quality. It represents the number of dots an inkjet printer can print in the range of an inch. The higher the dpi value in monochrome printing, the better the printing effect. The situation is more complicated when printing in color. Usually, the quality of printing is affected by the dual influence of dpi value and color harmony ability. Since the black and white printing resolution and color printing resolution of general color inkjet printers may be different, you must pay attention to which resolution the merchant tells you when purchasing and whether it is the highest resolution. Generally, at least an inkjet printer above 360DPI should be selected.

Color Harmony Ability

For users of color inkjet printers, the color harmony ability of the printer is a very important indicator. Traditional inkjet printers, when printing color photos, if they encounter transitional colors, they will select a close combination of the three basic color combinations to print. Even if black is added, this combination generally cannot exceed 16. In this way, the expressive ability of color scale is unsatisfactory.

In order to solve this problem, the early inkjet printers used the method of adjusting the density of the spray dots to express the color level. However, for products with a color resolution of only about 300dpi at that time, the result of adjusting the density is that the transition color effect is very poor, and it looks like there will be many spots.

Today's color inkjet printers, on the one hand, make the printed dots thinner by increasing the printing density (resolution), thereby making the image more delicate; There are several ways to increase the number of colors, change the size of the ejected ink droplets, and reduce the basic color density of the ink cartridge. Among them, increasing the number of colors is the most effective. At present, five-color color ink cartridges are usually used, and the original black ink cartridge is added to form the so-called six-color printing. In this way, the number of color combinations obtained by arranging and combining has been increased many times at once, and the effect improvement is naturally very obvious.

Conclusion

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