The correct way to set the scanner – Scanners – Office Supplies Industry – Preci
First Print Commodities original scan settings
In the settings are generally divided into 85lpi (newsprint), 133 lpi (magazine), 150lpi (General) and 175lpi (sample) 4. Just as India is a network composed of products, then copy in the original network is based on some network, and this time it will create interference patterns. For the interference patterns of the image printing unit area will be the tone in the form of irregular patterns, so that printed materials produced in the lattice pattern, commonly known as "tortoises." Flat Scanners Of the set. The actual focal length is adjusted scan, so the scanner can not be printed just to identify products of the network points out. Therefore, for the setting, the image resolution in some degree be affected, including the thickest 85lpi dot the biggest adjustment, the image became blurred, the smallest 175lpi network adjustment minimum. Therefore, the printing can not determine the original print wires, in order to keep image clarity, should choose smaller cable set start scanning until there is no "Moire" appears.
Second sharpness settings Here be pointed out that the sharpness is not equal clarity. Although the sharpness of the increase on the increase in visual clarity. On the other hand, excessive sharpness will improve the image becomes rough, especially the original is issued for the silver particles with a larger photo and more should pay attention when printed. In the plane scanner. Image resolution is to rely on the optical resolution of the scanner to decide; and sharpness in the high density and low-density area between the edge and create a black-white edge. So that the visual effect to improve clarity. For such a computer-generated line will be the three factors, namely the depth of (Amount), range (Radius) and the critical value (Threshold). Some scanning software, sharpness is divided into mild, moderate, emphasized several levels. In general, slightly higher sharpness can select slides, photos, choose medium sharpness, printed matter, you can choose mild sharpness. In addition, the performance for original content, such as still life, landscape class sharpness may be slightly higher. The figures so you can choose to set lower tax degree.
Third image resolution settings Image resolution settings should be according to the final output of the cable and decided to film. In general, image resolution should be set up in need 2 times the output of the wire. Such as: output 150lpi, image resolution should be 300 dpi; output 175lpi, of course, a corresponding increase in image resolution. The higher the resolution setting. The corresponding levels may reflect the better, but File Volume will increase with Er Shi document scanning, transmission, production was greatly reduced. In contrast, low-resolution images will contain the contents of the greatly reduced, while reducing the volume of documentation, file transfer, production speed, but the output image after the film in part because of image resolution can not be with Taiwan, the output accuracy of the film a mosaic phenomenon.
During scan lines, such as normal to set the image resolution. Will turn in line and created a lot of jagged slash Department. Great trouble to post-production. When the rate of its image resolution up to 1200dpi, the sawtooth will be greatly reduced. Of course, improved image resolution, due to the increase in the volume of documentation will scan rate. However, after scanning for file transfer and does not affect the production rate can be reduced to paper to distinguish the normal state prison.
Fourth Setting Skills If the scan is made solely to be viewed on the screen, scanning resolution can be set to 100dpi, because the display resolution is only 96dpi (1024 × 768 mode);
For the printing and scanning, recommended 300dpi; If the scanner's optical resolution of 600 × 1200dpi, when necessary, use 600dpi. Because the maximum scanner resolution is obtained by the interpolation, so more than the precision of the scanner optical resolution scanning, to improve the output effects are not clear, but a lot of consumption of computer resources.
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