Kyocera Technology
Kyocera's latest KJ4 series inkjet printheads are considered to be the fastest piezoelectric drop-on-demand inkjet printheads. The digital printers using such printheads on display at the exhibition include JetStream series from Océ and Japan. MJP600 digital printing machine of Miyako Corporation. The manufacturer of these two series of digital printing machines is Japan Miyako Corporation, so in essence this is the same printing machine, except that the control system and drive electronic system of JetStream series digital printing machines are Océ's own .
Kyocera KJ4 series inkjet print head
Océ JetStream series digital printing machine
The effective width of the KJ4 series inkjet printhead is 4.25 inches, which is also the widest piezoelectric drop-on-demand inkjet printhead. Just like other inkjet heads, this inkjet head can also form a wide format printing array. When the resolution is 600 × 600dpi, the printing speed of KJ4 series inkjet print head can reach 150 meters / minute; when the resolution is reduced to 600 × 480dpi, the printing speed reaches 200 meters / minute. This feature is well reflected in the Océ JetStream 3000 digital printing press. KJ4 series inkjet print head can also drop the speed and eject ink droplets with a size of 4 ~ 21 picoliters. The Miya waist digital printing machine exhibited at the Drupa exhibition uses UV-curable water-based ink, which will open up new application fields for high-speed continuous paper inkjet printing technology.
Miyakoshi MJP600 digital printing machine
Epson and Toshiba Technology
Epson and Toshiba also supply inkjet printheads to many printer and printer manufacturers. (The print head technology of Toshiba Technology Company is authorized by Xaar, and Toshiba is also developing its own print head series). The major customers of the inkjet heads of these two companies are Great Japan Screen Company. Epson ’s printheads are used for both the Truepress Jet 520 continuous paper full-color digital printing machine and the new Truepress Jet SX B2 format sheet-fed color inkjet printing machine. We can understand through the digital printing machine of the screen company At this point, Epson print heads can be printed with different resolutions. For example, the Truepress Jet 520 high-speed digital press uses Epson print heads, which can achieve double printing speed (1680A4 pages / minute) at a resolution of 720 × 360dpi. Truepress Jet SX digital printer can print at 1440 × 720dpi resolution to achieve higher print quality.
Truepress Jet 520
Truepress Jet SX series
The change in resolution is mainly achieved by ejecting large or small ink droplets in the direction of the paper. In the field of UV large format inkjet printing, the screen company now has Truepress Jet 2500 UV large inkjet printer and Truepress Jet 650 UV large inkjet printer. At this exhibition, the company also exhibited the special printing field Prototype of UV single paper path inkjet print head. It is reported that the screen company is applying Toshiba's latest CA4 inkjet printhead to these inkjet printers.
Truepress Jet 2500 UV
Truepress Jet 650 UV large inkjet printer has excellent imaging quality, it is mainly used in special printing fields, such as printing car dashboards (currently using screen printing). Another user of Toshiba's CA4 inkjet printhead technology is Olympus Corporation, which at this year's drupa demonstrated a single paper path digital printing press-OP-1cd full-color digital printing press. The printing width of this printer is 12.4 inches, which can reach a printing speed of 33 meters / minute at a resolution of 300dpi and 8 gray levels. At the same time, if the two engines are combined, two-way printing can also be achieved. (In fact, in essence, this is the same as the printing engine developed by Olympus for the ideal company RISO HC 550, but it is surprising that this printing engine from Olympus did not participate in this year ’s German Ruba.)
HP Technology
There have been many reports about HP and "Scalable Printing Technology" (SPT) using thermal inkjet printing technology. Now, we can see that many products have adopted this technology from HP. This technology was first adopted in the small desktop series products, such as the HP OfficeJet Pro K550 inkjet printer; then, the CM8060 MFP for in-house printing also applied this technology. At this year's drupa, we can see that "upgradable printing technology" started with two large format new products-HP HP Inkjet Web Press web inkjet printer and HP HP Designjet L65500 inkjet printer. Actively enter the graphic arts market. This fully proves the powerful function of the "upgradable printing technology" inkjet printhead, which can be used not only for ultra-large format single-pass inkjet printing systems, but also for large format inkjet printing systems for progressive scan printing. We look forward to this technology in the future can make digital printing presses have further improved in terms of quality and speed.
HP InkjetWebPress web inkjet color printer
Newly developed inkjet ink
The HP large-format inkjet printer HP Designjet L65500 that we mentioned above can explain how the new inkjet ink changes the printing method of inkjet printing.
At this drupa show, HP demonstrated a new Latex emulsion ink for Designjet digital presses. The Designjet printer uses a specially formulated water-based ink, which can not only be printed on non-absorbent printing materials such as vinyl, but also for outdoor large-scale billboard printing. The new Latex emulsion inks can serve a range of printed products. These new printed products may use the HP Race Angel brand name, and they will use this new type of environmentally friendly ink.
In addition, at this drupa show, Océ also released a new ink product, and Xerox also has technology to launch it. Océ's product is CrystalPoint ink. CrystalPoint ink actually uses Océ TonerPearls, its internal structure is closer to the tiny toner particles. These TonerPearls particles are transformed into colloids in the system. During the printing process, these colloidal toners are sprayed onto the surface of the printing material, which is crystallized and solidified by the additives in the ink, so it does not require heating and can be applied to many printing materials. The Océ ColorWave 600 digital press is the first press to use this technology.
Currently, Xerox also has a solid ink technology on the market. This technology is widely used in Xerox Phaser series printers. In the new technology preview of Drupa, Xerox talked about the colloidal ink that will be launched in the future. This ink is in the form of colloid, which is converted into a liquid state in a printing machine. It can be printed on any substrate and transformed into a solid form without heating. Xerox sees this new ink technology as a key technology for future inkjet product development.
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