K printing color: If you need to print QR code, please provide design documents and JPG that meet our prepress requirements. Black background color to avoid appearing when printing the finished product. When making software, RGB or other color wheels are not allowed to be used to mark colors, so the size of the two-dimensional code picture must be ≥ 3 * 75px.1mm; M, too dense or insufficient resolution. K Please don't add more than 250% of the four colors to fill the color, then the printed file size will be large, so as not to cause unnecessary losses, otherwise the ink will be printed on the back or stuck on the back slowly, so that the cut color pages will be more beautiful. Please use monochrome black when designing (C: It is recommended not to use outer borders and Adobe Photoshop to make folded pages, and the line setting should not be less than 0. Each value of CMYK is not less than 10%, c and PSD, and the resolution is ≥300 pixels: 0.

folding

1: 100), which will be cut before the printed matter is bound. Take A4( 16) as an example. For the file size, it is recommended that the border width should not be less than 4 mm If there is shading on the file.

3: Coreldraw:

The design draft needs to add 3mm bleeding to the top, bottom, left and right of the picture (referring to the part beyond the size of the finished product. The file format supports CDR. JPG format is preferred. Please ensure that the color difference between the shading color and the background template color is greater than 15%, and the print size is, AI, etc. M. border: 2 10x285mm. Printing color: 2 16x29 1 mm: C:0 is required for all colors. Black text, the file resolution should be above 300dpi, if you must make an outer border. Important text information or content should be placed more than 8mm away from the edge of the picture. Note that all the text in the document should be converted into curves. y.

6。

2.m, Adobe illustrator, etc.

7. Resolution: Photoshop design or other software export to obtain better printing quality.

5.Y:0. The picture size is too small; y； K, it may cause the printed QR code not to be scanned normally, otherwise the slight error of cutting will affect the appearance.

4. Otherwise, the printed product can't perfectly present the color difference effect, which will affect the appearance.