How to deal with four-color printed black

I do graphic design and want to understand how to deal with the black color of the design draft before printing.

Q: When should I overprint?
A: Overprinting is generally applied to single black text; black is commonly known as single black, which is actually what you need when you design.

Q: What if the background is large black?
Answer: Large area black printing, because the total value of the 4 colors of printing cannot exceed 300, and finally it is c20, m20, Y0, K100 (provided by the printing factory), the color printed in this way is the best, plus if you have the product above Need to follow the color, this black is very stable, and can be adjusted to make it darker.

Q: The characters are very small and the borders are very thin. Will there be any problems with printing?
Answer: If the text is small, it is recommended to use CD or AI output, and type the text on those software. If the text is large, or has other effects, it is not necessary. Because the text is small, there will be some blurry effect when printed in PS.

Q: What size is appropriate for the text of general magazine layout?
Answer: It is recommended to print a large copy of the font size from 1 to 100 for reference.

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