The JV400 SUV series sets new industry standards by combining the flexibility of solvent printing with the durability of UV cured inks, resulting in smooth, glossy prints, which simulate the appearance of being coated yet retaining the colour brightness expected from a solvent printer. A robust UV component remains on the media after UV curing, which provides a surprisingly strong scratch resistance (rub-fastness). Solvent UV ink contains a solvent component which attacks the acceptance layer of the media, fixing the pigment.
3 Way Intelligent Heater improves the colour reproduction and fixability of ink by heating the media to the proper temperature before, during and after printing.
Two newly developed print heads with four rows of 320 nozzles per head are arranged in a single line, enabling high-speed printing with top quality results. Variable drop sizes with a minimum size of 4 plThe ink drop sizes can be selected to a minimum of 4 pl.
Nozzle Recovery FunctionEven when nozzle washing has no effect on troubled nozzle, the print image quality can be recovered temporarily. Uninterrupted Ink Supply System (UISS)Two ink cartridges per colour are set in 4-colour mode.
Epson has developed white ink for proofing, another example of how it is creating industry-leading and innovative new products while mitigating environmental impacts.
White plays a vital role in printing on transparent films, such as those used for labels on plastic bottles and bags for snack foods. Printshops print in huge volumes, with print runs ranging from many thousands to many millions of prints, so mistakes are not an option.
This ink uses an organic solvent that allows it to deeply penetrate transparent films and that gives it exhibit excellent lightfastness and water resistance.
Epson solved the problem of printing proofs on transparent film by developing a water-based white ink. Essential to the realization of this ground-breaking white ink was the development of transparent film capable of simultaneously printing both the white ink and other colors of ink.
The printers in which the water-based white ink is used do not require ventilation and do not require a lot of space. These characteristics, coupled with a high resistance to scratching and weathering are designed to satisfy even the most demanding of customers.
First, the solvent component attacks the acceptance layer of the media, fixing the pigment; the subsequent UV curing assures very high robustness.
Moreover, Solvent UV is equal to or better than solvent ink in weatherability and alcohol resistance.
It performs UV curing, not when the ink is discharged, but after the pigment is fixed to the media, all while maintaining the vivid color reproduction of solvent ink, resulting in a coating-like smooth glossy print.

In combination with the 3 Way Intelligent Heater, the UV curing unit immediately cures the ink to be fixed. Multidrop function provides three different drop sizes at once, producing fascinating, non-grainy and smooth printing results.
When the ink level of one cartridge is almost empty, the ink supply automatically switched to another cartridge of the same colour, preventing from stopping a print job due to running out of ink.
This eco-cartridge method contributes to waste reduction and can provide ink at lower prices. A layer of white ink has to be laid down first on these films before other colors are added so that background colors are not visible and so that the printed colors look good.
For this reason test prints are taken to check and correct color to ensure that they are accurate before production printing takes place. Given this, simple proofing that can be performed relatively easily and affordably on a special proofing printer has become the norm.
Curing speeds up the process time and allows the ink to be printed on nonabsorbent media such as plastic. Unlike solvent and UV-cured inks, water-based inks produce very little odor and present no risk of adverse health effects during ordinary use. Titanium dioxide is a very heavy substance and quickly settles to the bottom of an ink cartridge. Clear, vivid prints could not be obtained on existing transparent films because these inks neither stuck adequately to them nor were sufficiently absorbed. Moreover, the printer hardware costs and running costs are so much smaller than those for traditional proofing systems, Epson's proofing printers are well within the reach of almost anyone who needs to quickly and easily produce proofs. Immediately after printing, secondary processing, such as lamination, can be performed, dramatically increasing efficiency.
In cases such as banner materials, where lamination is difficult and often omitted, considerable durability can be expected. Signs with solvent UV have a bold and vivid appearance, which definitely catches the eyes of passers-by.
Mimaki’s proprietary head control technology delivers unrivaled high definition & high resolution prints.
Epson entered the package printing industry and made a big splash by developing a ground-breaking product: a water-based white ink that can conveniently and inexpensively be used for printing proofs on transparent films.
These test prints are called "proofs." Proofs can be printed on the same printing machine as that used for actual production runs or they can be made more simply and conveniently using a special proofing printer.
However, a number of problems had to be solved before simple proofing could be used for proof printing on transparent films.

Ventilation systems normally need to be installed to capture and discharge exhaust from the printer. However, people need to be careful around this type of ink because uncured ink can cause skin inflammation on contact. Water-based ink on film dries as quickly after printing as ordinary ink on paper, without the need for heat. In practice, this has meant that cartridges containing white ink had to be taken out and shaken frequently. To solve this problem, Epson developed a new type of transparent film that can support water-based ink. Here we unearth the secrets of this water-based white ink, which solved a long-standing and difficult problem while also sharply reducing environmental impacts associated with proofing and offering enhanced usability.
Proofing on the actual printing machine has the advantage of allowing you to check a print that is very close to the actual finished product. One is solvent ink, which contains an organic solvent, and the other is UV-cured ink, which is has to be hardened with ultraviolet light.
An energy-consuming heating system is needed to improve ink adhesion to media during printing.
This type of proofing thus uses only slight more energy than an ordinary inkjet printer, so environmental impacts are mitigated. Both types were troublesome to use and came at a comparatively high environmental cost, so proof printing on transparent film a highly problematic proposition. The particles have a hollow center and diffusely reflect light so that the ink looks white (see the above diagram). Moreover, using the actual printing machine to produce proofs not only is extremely time-consuming, it requires that production printing be halted. Furthermore, the mercury lamp that is used to cure the ink becomes dangerously hot and uses a great deal of energy. Since these particles are lighter than particles of titanium dioxide, they don't sink and settle as easily, so the cartridges don't have to be shaken up as often.
Moreover, solvent ink and UV-cured ink required frequent nozzle checks and head cleanings, processes that generate a large volume of waste ink.

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