Digital printing commonly used specifications, production personnel must-have rules
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Digital printing required file format
1. The document required for digital printing must be a page document (finished product + bleeding), and it cannot be a single picture, a text block, or an edition heart file without a white border.
2. The entire book requirement must be a pdf or ps file, and the page number sequence must be correct. The file must meet the printing process requirements. Even if there are white or white pages, you should add these blank pages to the file to avoid the phenomenon of single-digit "left page".
3, digital printing (including cover or insert) can identify the file format: PDF, PS, Tiff, JPEG, EPS and other documents.
Digital Printing Product Size and Paper Requirements
1, HP7600 four-color digital printing machine:
The largest printing size: 464 x 317 mm
Printed paper thickness: 80g - 350 g
2. Two-color digital printing machine online (Fangzhen Eagle Eagle printing machine - Martini's folding equipment connection):
Printing maximum/minimum height: 320x154 mm
Maximum/minimum width of printing: 230x127 mm
Maximum/minimum thickness (ie spine thickness): 3---40 mm
Printed paper thickness: 55---85g
Text
1. Illustrator, Freehand, CorelDRAW need to convert the font into PDF format.
2. Please don't use Heavy (enhance) command in FreeHand and Word software to avoid paste word, and don't use Bold text in PageMake software to avoid text becoming toothed overlapping word. Do not underline this command in PageMake software to avoid underlining the text.
3. Beijing fonts and URW fonts are used in the files. Chinese characters such as Hei, Fang, Song, Kai, etc. will cause crashes and garbled characters when they are output. These files cannot be output. The fonts must be replaced by the customer and they must be correct. Can be printed at the rear.
4, Word, Excel and other office software, the font is easy to appear in the print garbled and table take place and so on, so the customer is required to store into PDF format, and can be printed without errors.
5, Founder Edition publish ps options are the same as other output devices. Note that if you have a supplement, you must include it.
6. The Tiff/jpeg file format requires merging layers.
colour
Digital fast printing imaging principle is different from the traditional printing machine, so the color can not be compared, but through professional color correction software, theoretically can achieve 95% of the school color.
1. When the number of repetitive printings of the digital camera is large, there will be a slight deviation in the colors before and after printing. This is a deficiency of digital printers.
2. When the customer's file has a large flat screen, that is, a large ink base, the ink will be printed out, and the depth is different depending on the color. Print gradient colors, gradient uneven (especially grayscale gradient) This is the inadequacy of digital printers; four-color CMYK, such as direct storage into three-color RGB printing will color, especially neutral gray color.
3, due to print temperature, humidity, paper and other factors change, so the customer at different time periods printed manuscripts, the color will be slightly different. If customers require strict color, please pay attention to this point.