The layout must be clean, no black leather, no durians; no pleats, oil stains; second requirements, the color is consistent, the text, the line is smooth, complete, clear, the position is accurate; the size of the fine product allows the error to be less than 0.5mm, the size of the general product It is less than 1.0mm.
Multi-color version of image profiles and positions are accurately printed. The printing of fine prints allows less than 0.1 mm, and the printing allowance error of normal prints is less than 0.2 mm.
The outlet requirements are clear, the angle is accurate, no heavy shadow is free. 50% of the expansion of the outlet, the fine print is 10% ~ 20%; - the printed product is 10% ~ 25%, the outlet is full, and the smooth is complete.
Color requires true, natural, colorful, in line with the original; the real-floor density of different sheets of the same product allows errors, blue, red (M) less than 0.15, black less than 0.20, yellow less than 0.10; color to match the print sample.