How many technologies are in digital catalog printing china prepress?

Prepress technology is a technology that includes all the production processes prior to the formal printing. It can be divided into four processes: manuscript, plate making, output film, proofing.

If the work of a traditional prepress process can be done on a single PC, it constitutes desktop publishin. This is different from the traditional pre-press platemaking process. In the process of digital pre-press processing:

• The author sends the electronic document with words to the editor. After editing, the article is sent to the layout designer through the electronic media to design the layout. The artist directly creates all kinds of graphics on the computer.

• Designers can use professional software such as PS or CorelDraw to make pictures and texts. During this process, the text can be modified and edited, and the position and shape of pictures can also be adjusted, specifically in designing catalog printing china.

(3) The following contents should be checked before the produced files are exported to the film:

1. Whether there is enough bleeding in the file(3-5mm).

2. Check the correct of overprint and its meaning.

3. If the color is correct, whether there is RGB or other incorrect color.

4. Whether the conversion format (Tif, Eps) and resolution (300– 350 for 175 lines) of files between different applications are correct.

5. Whether the document has corner lines (registration crosswire).

6. Can distinguish between printing four colors and spot color, and the meaning of spot color.

7. Small text, line color to meet the overprinter requirements.

8. Whether the documents with text and text connection are well connected, whose the location is correct, printing and saving format is correct.

(4) After the result of the group version is satisfied, the electronic file can be sent to the output center, and the high-resolution film can be output through the photographic dispatch.

(5) Finally comes the proofing. Proofing can be roughly divided into three methods:proofing machine proofing, simple proofing, digital proofing. The purpose is to check whether the reappearance of tone and color of the manuscript meets the requirements. And layout size, image, text layout, whether the line is correct. Provide proof sheets or basic printing parameters for formal printing, such as ink color, the range of dot reappearance, etc., so as to achieve the standardization of printing operations, provide customers with samples of the final printing product, especially important in catalog printing china.

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