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1. In the hot season, it is best to wash away the sweat on your hands when you have sweat on your hands (wash it if you have sweat, regardless of the number of times). If you have sweat on your hands, take the film or sulfuric acid paper. Fingerprints will appear on the film or sulfuric acid paper, and it is also easy to get dirty (especially when you take the film of fine color products).
2. When imposition, it is best to choose new adhesive tape or clean adhesive tape. There are many types of adhesive tapes on the market, so you must pay attention to choose a thinner, better transparency tape when buying.
3. When spelling sulfuric acid paper, special attention must be paid to weather changes. Because in rainy days or when the humidity in the air is high, the expansion and contraction of the sulfuric acid paper is particularly large, which is unfavorable for overprinting (except for air conditioning).
4. The imposition worker must draw the table paper carefully. First choose a material with low elasticity to make the table paper, and pay attention to its accuracy when drawing, because the low precision of the table paper will have a bad effect on the product quality.
5. If red tape is used for color marking and spine marking, there must be a certain distance from the position of the picture and text. In addition, the size of the spine mark is also very important, preferably not more than 2mm.
Personal experience sharing: 5 points for manual imposition
For a large part of printing factories in China, manual imposition still needs to be adopted frequently. If the imposition worker does not pay attention to some small details during imposition, more or less will have a certain impact on product quality and economic benefits.