The output models are: NUSALSLA3200, Caishen 3200, etc., which is generally the maximum width of 3.2 meters. The medium used in the inkjet printer is generally an advertising cloth (commonly known as light box cloth). The ink uses oily ink. The inkjet company guarantees the durability of the picture. The general picture color is a little deeper than the color on the display. The image resolution of the actual output generally only needs 30~45DPI (according to the printing requirements), and the actual size of the screen is relatively large, with an area of ​​hundreds of square meters.
The photo is generally used indoors, and the output of the picture is usually only a few square meters. Such as the small screen of the advertisement used by the manufacturer at the exhibition. Output models such as the HP5000 are generally the maximum width of 1.5 meters. The medium used by the photo machine is generally PP paper, a light sheet, and the ink uses water-based ink. After the output image is finished, the film and the fascia are finished, and the output resolution can reach 300-1200 DPI (the machine type will be different), and its color is saturated and clear.
Below we briefly introduce some simple requirements for making and outputting images in inkjet and photo.
1, size:
The size of the spray image is the same as the actual size of the image. It is different from printing and does not require a bleeding portion. In the inkjet company, there is usually a white border after the output screen, and the general situation is to leave 10CM at the edge of the net screen. As you can agree with the inkjet output company, how many edges are left for buttonholes. The price is calculated per square meter, so the screen size is in centimeters.
2, image resolution requirements:
The image of the inkjet is often very large, and it should be understood that "the deepest in the mountains does not know the true face of the mountains." The same is true for the inkjet image. If the large screen still uses the resolution of the print, then the computer is exhausted. However, there is no standard requirement for the spray pattern resolution filter. The following are the resolutions that I use when I use different sizes. I can refer to:
Image area (m2) 180 - infinity 30---1801 - 30
Resolution (dpi) 11.2522.545
Note: Because the current inkjet printers mostly require 11.25DPI, 22.5DPI, and 45DPI as the output image, the reasonable use of image resolution can speed up the drawing speed.
The general situation requires 72DPI/inch. If the image is too large (such as the file size exceeds 400M when the new image is displayed in PHOTOSHOP), the resolution can be appropriately lowered and controlled within 400M.
3, image mode requirements:
The CMKY mode is used uniformly for inkjet printing, and the RGB mode is prohibited. The current inkjet printers are all four-color inkjet printing. Its color is completely different from the printing color. Of course, when printing, according to the printing standard, the inkjet company will adjust the color of the screen and the sample close.
The photo can be in CMKY mode or RGB mode. Note that the value of red in RGB is defined by CMKY, ie M=100Y=100.
4, the black part of the image requires:
It is strictly forbidden to have a single black value in both inkjet and photo images. C, M, and Y colors must be added to form a mixed black. If it is big black, it can be made: C=50M=50Y=50K=100. Especially when using the effect with PHOTOSHOP, pay attention to changing the black part to four-color black, otherwise there will be a cross section on the screen, which will affect the overall effect.
5, image storage requirements:
Inkjet and photo images are best stored in TIF format, but note that compressed formats are not available.
Regarding the number of points, depending on the situation. Printing is generally 30dpi, and the photo is generally 72dpi. If the picture is large, it can be reduced accordingly. The smallest point I have ever done is 10dpi, 300 square. If you are older, you can do it in several paragraphs. The photo is usually no less than 50dpi. Regarding the small number of points, the picture will not be blurred, but will produce strong jaggedness. On the contrary, if the number of points is increased, if the picture is enlarged, it will become blurred, and the sawtooth will be less noticeable. If you do it, you can do it yourself.
Regarding the compression format, the general inkjet company requirements are in tiff, cmyk format. Its practical jpg is also not bad, but the compression ratio must be higher than 8, otherwise the picture quality is not guaranteed. For the original picture is small, after the enlargement of the situation, you can increase the amount of noise.
In the case of inkjet, 25-30 points is enough. Our company is an Israeli angel, and the last point of the US Witt inkjet printer is 23.125 (Witt). When you make a big point on the map, you will also Reduce the number of points. It is best to use CMYK when drawing. Because there is still a difference between inkjet and RGB display. Let's not give the customer a sample to see the spray first? Use CMYK to sample the sample. If the customer accepts it, it will be sprayed out. There is no problem.
The machine is Scitech 3. 2 meters. I have done a minimum of 13. 3 resolution. 330 square meters. Leave a 5 cm white cloth. Most of my installations use 30mm or 25mm square tubes, which should be no problem. I think the color of RGB should be no CMYK. I only use RGB when I write.
Zoom in on the PS to 100% (actual output size), watch your fonts are jagged, the background is too stroked, and the rest is based on your own experience. In fact, the background is not too important, and the text should not be jagged at 100% display.
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