Prepress output problem solution

Before printing, you must pay attention to the following issues:

1, when the production of more commonly used design and production software, such as pagemaker, etc., like the word as much as possible.

2. The mode of the picture in the text must be CMYK mode, with a minimum accuracy of 300*300 dpi/pixel/inch.

3. Check if the text in the publication is a four-color word. If it is, change it to monochrome 100% black.

4. If pagemaker, WS, Founder, and Illustrator are used, the linked image file must be copied along with the original file.

5, photoshop file is best psd (unmerged layer) file, in order to facilitate the modification.

6, the font as much as possible using common fonts, such as Founder, Wen Ding. Try not to use rare fonts. If used, coreldraw and Illustrator first convert the text to outline, which avoids the problem that the output center cannot output without such a font. If you have a make-up file, you must copy the make-up file.

7, clearly told the output center print product size, print volume, printing paper, etc., to facilitate the imposition and hanging net.

8, if the two pages are the same, but the black text is different (frequently encountered), then only the first page of the CMYK four-color, and the second page of the K-color can be, so as not to waste, but also save money. If there are only two colors (such as red and black) and the printing requirement is not high, it is only necessary to output it in one color version at the same time, and it is not necessary to divide the output into two colors. Deal with the printing plate. It also saves money.

Network point of view

Blue: 15 degrees red: 75 degrees yellow: 90 degrees black: 45 degrees

The layout of the general network is neat, so there will be an angle in the application. For example, in the case of monochrome printing, the angle of the screen is mostly 45 degrees. This is based on the dots printed on this point of view, and is most comfortable for the eyesight. And it is not easy to notice the presence of outlets, which results in continuous graying. As for printing with two or more colors, it is necessary to pay attention to the combination of the angles of the two networks. Otherwise, an unnecessary pattern will be created, which is called "Moier". Usually the difference between the angles of the two nets is 30 degrees, no net collision will occur, so the general two-color printing, the main color or dark color with 45 degrees, light color with 75 degrees, three colors are respectively 45 degrees, 75 degrees, 15 Degrees and other three angles, if it is the four-color printing, they are red with 75 degrees, yellow 90 degrees, green 15 degrees and black 45 degrees. There is no certain limit to these angles. They are changed according to different needs.

Prepress production output experience (let you get out of the prepress production predicament)

• The font used in the file, confirm the output center, or need to be carried.

• When storing graphics, check whether the color mode is CMYK mode to avoid color deviation.

• Check the link file before exporting, and change the link information in time if there is any change.

• Images with a large amount of graphics are stored in EPS format, and the Include halftone and Include... options are not included in the storage options. If they are placed in PageMaker, they should be cropped and rotated before being placed.

• If the graphic is in TIFF format, unnecessary channels and paths are deleted before storage. It is not recommended to store it in LZW compression format.

• The TIFF format with a large amount of graphics is placed in the PAGEMAKER layout file, which is prone to tensile deformation and should be stored in the EPS or DCS format.

• PC version Pageaker 6.5C Chinese font download, easy to lose words, symbols take place, big characters with teeth. Inserting EPS file in PageMaker is easy to lose after rotation. Please rotate and insert PageMaker software.

• Do not use bold and underlined Chinese characters in PageMaker. When entering text into the PC, PageMaker should delete the space, otherwise it will be garbled. There is a problem with the version of the PC font library. After the substitution, it is easy to produce text moves and loses. Please indicate the output center, the font version number used.

• PageMaker's trapping options should be used with caution. Please see the preview effect.

• Fonts in CoreIDraw 8.0 cannot use Chinese fonts in the Windows system, such as Arial, Blackbody, and Carcass, and do not print file information when printing.

• 46 versions of the Chinese text of the four treasures of the text, the word will appear in front of the symbol.

• CORELDRA's PSD format image output is very slow, in some versions with a channel or rotation will cause image defects, should be converted to a bitmap.

• Do not use paragraph text in CORELDRAW. Please change to art text or to a curve.

• In CORELDRAW, you can use the shading and pattern attached to the software to fill the graphics or as a base map. Note the following: 1. Select the appropriate precision, which is usually 1.5-2.0 times the number of output lines. If the accuracy is too low, Affect the accuracy of the map, too high will affect the output speed. 2. The selected basemap should pay attention to whether its attribute is CMYK mode. Generally, the basemap shading filled is RGB mode, which should be changed to four-color mode.

• When using CORELDRAW version, in order to increase the speed (output) If the file is large, there are many types of graphics. It is better to combine several small versions of the base image to reduce the amount of information in the file and increase the output speed. Note that text should not be converted to a bitmap (especially small words). If text is converted to a bitmap, the accuracy of the text will be affected.

•ILLUSTRATOR, FREEHAND, white fills and lines, check the OVERPRINT option in the property to avoid loss.

• Spot color gradients in the ILLUSTRATOR file should be noted during color separation interpretation. Please prompt the output center.

• If you are using EPS DCS 1.0 2.0 format or PS IMAGE format, please prompt the output center.

• Gradient processing is not ideal for desktop systems. It is best to add 3-4 noise points to PHOTOSHOP's filter when making.

• When using the Founder WITS layout software, please note that the following fonts are not available in the output center in the WITS fonts: Coarse Song Amber 2 Extra Thick Black Zhong Yuan Cai Yun Han Jian Song Si Xin Bao Song Ping Black Skinny Gold Body Huang Caochang牟 Japanese 1 Japanese 2 Japanese White Sports • When exporting, please indicate whether the output center has a large area of ​​darker colors (red, yellow, black).

• If you use vector graphics editing software such as CoreIDraw, Freehand, and ILLUSTRATOR, if there is no special effect on the font, it is recommended to turn it into a curve or a path. This will ensure the foolproofness of the font. (Note: If you convert to a path or curve, it may cause aliasing on the screen, but it does not affect the output.)

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