Proofing is a term in the printing profession, which refers to the process of custom Pop up book, using the method of photography or electronic color separation machine to make a negative and make certain modifications and adjustments, and then printing into a template or other methods to display the effect of publication before printing. In the process of printing, it is generally necessary to make proof, so what are the reasons for making proof before printing?

1, you can use the printed sample to compare the quality of the printed original, check, such as to see whether the original color, tone and what can meet the requirements when reproduced, there are some layout, text layout, rules and lines are correct, but also to see what to change and so on.

2, in order to provide some basic parameters of printing in the next official printing, such as the ink dot, dot reproduction range, the purpose of doing so is to facilitate printing standardization and standardization.

What are the types of proofing?

1, printing process proofing: the effect is similar to printing with a printing press, which includes plate making and printing on paper.

2, chemical proofing: chemical proofing is the 4 color separators according to their color respectively exposed on 4 films, and finally the 4 color film superimposed after the printing effect, so that you can better compare the color difference of the album.

3, digital proofing: do not need film, directly with the file output, similar to laser color.

custom Pop up book https://www.thpkgg.com/Pop-up-book.html