The great revolution in color inkjet technology

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1. Micro-droplet technology Since the nozzles in the ink head can be made finer as the process of the ink head is improved, the volume of the ink droplets of the color inkjet printer can be made small, and now Epson is in its Stylus Photo 870. 4 picoliters (pl) of ultra-fine ink droplets (1 picoliter = 1 x 10-12 liters), less than one-sixth the diameter of hairs developed by Hewlett-Packard; and Hewlett-Packard Co. and Canon Inc. are also starting to promote their new products. Small drop technology. This technology can significantly enhance the ability of the printer to output details of the photo, improve the fineness of the image, and reduce the graininess. 2. Increase the number of nozzles The drop of ink naturally leads to a decrease in the printing speed. For this reason, each manufacturer has also taken certain measures respectively, which does not reduce the printing speed while improving the quality. Increasing the number of nozzles is one of the important technologies. The current number of Canon BJC-8200 nozzles has reached 1,536. 3. Intelligent drop conversion technology that provides different sizes of ink droplets according to different colored areas, so that they can not only achieve the fastest and best configuration in different shades of color, but also according to different resolutions, automatic ink Drops are optimally combined to achieve even greater breakthroughs in accuracy and speed. In addition, it is worth noting that at the same time as the realization of the tiny ink droplets, the manufacturer began to pay attention to improving the shape of the ink droplets in the product and making the shape of the ink droplets more regular. Canon uses a star-shaped nozzle in the BJC-8200, and Epson's micro-piezo inkjet heads ensure droplet drop-out rules while also making droplet ejection more accurate. 4. Multiple color control technology Because the ink droplets are getting smaller, so that each pixel can eject multiple droplets, this makes multiple color control possible. Multi-color control technology can make the image more colorful, vivid, more accurate color performance, image layering stronger. 5. In the practical use of the separate cartridge, due to the different consumption speed of various colors of ink in the printing task, the integrated cartridge needs to replace the entire cartridge after one color is exhausted, resulting in unnecessary waste. The ink cartridge realizes the separation and separate replacement of different color ink cartridges, which can reduce the printing cost. It is a high hope color inkjet printer technology. Currently both Canon and Xerox already have split cartridge technology. 6. More optional print media Print media is also very important for improving print quality, especially for photo prints. Canon and Epson have released new photo papers. The new photo papers have begun to consider lightfastness while improving print quality. Such as EPSON brand new high-quality glossy photo paper, to ensure that the printed photos do not fade in 10 years!
7. Automatic Two-Sided Printing With the use of fast-drying ink technology, the automatic two-sided printing function begins to be used in inkjet printers. HP's 970Cxi color inkjet printer already supports automatic two-sided printing.
8. Bi-directional printing Bi-directional printing can significantly increase the printing speed, but if the ink head positioning is inaccurate will affect the print quality, past inkjet printers only use two-way printing technology in the fast text printing mode. However, with the development of ink head positioning technology, some new products still achieve bi-directional printing in photo printing and high-quality printing modes.
9. The need for high-performance controller network printing and support for the Postscript approach requires the performance of the printer's internal controllers to become higher and higher. Some high-performance CPUs and large-capacity caches are used in inkjet printers.
10. USB interface and network printing Because the USB interface has the characteristics of hot swap support and high transfer rate, it has been widely used in PCs and Macintosh machines and other products, and it has begun to gain popularity in inkjet printers. Eight of the 11 color inkjet printers that participated in the evaluation had a USB interface. In addition, with the advent of the Internet office era, some workgroup offices have made demands on the network printing function of inkjet printers. HP's DeskJet 970Cxi and other high-end business office products have begun to support network printing functions.
11. Web page printing technology and digital camera image compensation technology With the development of the Internet, the demand for Web page printing is getting higher and higher, and the image resolution in the Web page is lower. In order to improve the print quality of such images, some color ink jets are used. The printer's driver program is specifically equipped with optimization features for web and digital camera photos to compensate for the details and edges of such images, making the output sharper and clearer.
12. Hewlett-Packard's Folly Technology It is a step-by-step process to provide better, "smarter" color output quality by adding breakthrough capabilities. Improved color images and halftoning techniques make the output more clear and realistic and optimize text, graphics, and images as much as possible. It uses HP SmartFocus to enhance low-resolution images on the Internet or multimedia applications. Support for sRGB (standard red, green, and blue) improves color matching capabilities while using Intel's MMX technology to improve image processing performance on multiple media.
13.HP PhotoREtII (HP PhotoREtII)
It is a multi-droplet, multi-layered inkjet printing technology that can fully meet the requirements of high-speed and high-quality photo effect printing, and is suitable for printing on a variety of plain paper and special paper, thereby bringing color inkjet A leap in ink printing technology. HP PhotoREtIIr technology's main advantages are: more color levels, smooth color transitions, photo and image output lifelike; fast color printing: high print quality, speed does not decrease; sharp effects on any paper: even the most commonly used plain paper, Still lifelike.
14. Accu-Feed Feed System Lexmark's patented intelligent paper feed system. With the pressure required for progressive adjustment, different thicknesses of paper can be placed in the printer. Paper jams can be avoided even more.
It can be seen that the color inkjet printer's print quality has been developed to a very high level, but its slow speed and high printing cost is still an important factor limiting the application of inkjet in the business office. Therefore, in the case where the print quality development space is not large, increasing the printing speed and the print quality on plain paper and reducing the printing cost will be the future development direction of inkjet printer technology.

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