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The basic working principle of inkjet printers is to first generate small ink drops, and then use the inkjet head to guide the small ink drops to the set position. The smaller the ink drops, the clearer the printed picture will be. The basic principle seems simple, but the operation is not so simple. Just as the principle of calculus is not complicated, so is how to use it. The following is a historical chronicle of several technological breakthroughs in inkjet printers.

Event minutes

In 1976, the world's first inkjet printer was born.

In 1976, piezoelectric ink dot control technology came out.

In 1979, BubbleJet bubble inkjet technology came out.

In August 1980, Canon applied its bubble inkjet technology to its inkjet printery-80 for the first time, starting the history of inkjet printers.

In 1991, the first color inkjet printer and large format printer appeared.

In 1994, micro piezoelectric printing technology came out.

In 1998, the world's first color inkjet Epson stylus photo 700 with the highest resolution of 1440dpi and six-color printing was launched.

In 1998, the world's first 7-color Photo Printer Canon bjc-7100 was born.

In 1999, the first color inkjet printer Epson IP-100 which can print A4 photos without using a computer was born.

In 2000, the HP dj970cxi, the first color inkjet printer supporting automatic two-sided printing, was born.

In 2003, the HP Photosmart 7960, the world's first digital photo printer using eight-color ink technology, came out.

In the spring of 2005, the world's first 9-color photo printer HP Photosmart 8758 was born.

First commercial printer

Inkjet printing technology was proposed as early as 1960, but it took 16 years for the first commercial inkjet printer to be born in IBM. The original ibm4640 was developed by Professor hertz and his colleagues of Sweden Luther Institute of technology in Europe and is called continuous inkjet technology. The so-called continuous inkjet means that ink droplets are generated continuously, regardless of the image or nonimage, and then the nonimage ink droplets are recovered or dispersed. However, this technology almost prints ink dots on paper in the form of drops. The effect is unimaginable, so it has no practical value in reality.

Piezoelectric ink dot control technology

In the same year with ibm4640, three pioneer researchers of Siemens technology, Zoltan, Kyser, and sear, successfully developed piezoelectric ink point control technology (the predecessor of Epson Technology) and successfully applied it to Seimens PT-80. This printer was mass-produced and sold in 1978, becoming the first commercial inkjet printer in the world.

B bubble inkjet

Researchers from Canon in Japan have successfully developed bubble jet inkjet technology. This technology uses heating components to instantly heat the ink in the nozzle to generate bubbles to form pressure, so that the ink ejects from the nozzle and then uses the physical properties of the ink itself to cool the hot spots to eliminate the bubbles, to achieve the dual purpose of controlling the inlet and outlet of ink dots and the size of ink dots. Here is a short story about the company. One day in july 1977, Ichiro yuanteng of the 22nd research room of Canon product technology research institute in muhei District, Tokyo, accidentally placed a heated soldering iron on the accessories of the injection needle while conducting experiments in the laboratory, and ink quickly flew out of the injection needle. Inspired by this, he invented bubble inkjet technology two years later.

At the same time, HP has also invented the same technology in essence. HP and Canon both claim that their researchers first invented the inkjet printing technology, to establish their position in the inkjet printing field. However, the concept of "bubble" has been snatched away by canon, so HP had to name it thermal inkjet.

In 1991, the first color inkjet printer and large format printer appeared

HP DeskJet 500C is the first color inkjet printer in the world. In June 1994, the HP Deskjet 525Q, a locally modified product, appeared in China. HP Designjet is the first monochrome large format inkjet printer in the world HP has applied its thermal inkjet printing technology to large format printers for the first time. The emergence of color inkjet printers and large format printing is the most important milestone in the history of inkjet printers.

In 1994, micro piezoelectric printing technology came out

As early as the 1970s, Epson began the research on piezoelectric technology. After nearly 20 years, Epson finally successfully applied the micro piezoelectric printing technology to the printer field and realized its commercialization. The basic principle of micro voltage technology is to place many tiny piezoelectric ceramics near the nozzle of the print head of the inkjet printer and use the principle that the ink will deform under the action of voltage to eject the ink in the nozzle and form a pattern on the surface of the output medium.

Since then, Epson's intelligent ink drop transformation technology, natural color restoration technology, ultra-fine ink drop technology, etc; Canon's professional photo optimization technology, quadruple color control technology, etc; HP's rich image layering technology, intelligent color enhancement technology, etc. Both have further improved the technical content of inkjet printers.

With the development of science, people can use inkjet printers to produce human organs for transplantation. Scientists have used ink-jet boxes to "print" stem cells in precise patterns. Scientists are applying this technology to a completely new field to explore ways to print three-dimensional structures of cells.

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