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In the printing process, because of insufficient conditioning, paper or because of the uneven edges on paper, electrostatic waves and such will lead to paper and paper feida corrugate. Transfer set incorrectly can also lead to paper over. In order to ensure the paper wrinkle in the printing process, in the process of transportation and storage should be kept right on the air humidity environment. Paper is very sensitive. That is why to maintain in 20 to 22 degrees, humidity in 50 to 55 degrees in storage and transportation environment of the paper! If the paper is corrugate, also may be due to improper setting machine (as), manual in these reasons, before the incorrect, the tension is too big, too much pressure or front cardboard, embossing rollers air-blow strong blower improper setting, above all is the super. Another teether handover bad or teeth pad printing pressure is too dirty, stir or not will lead to paper wrinkle.
Solution usually has the following kinds:
Try to choose plain paper quality
Check and adjust properly before.
Check and adjust edge correctly set too low pressure gauge cardboard cannot
Reduce the lost cardboard preached paper pressure wind
Special note paper into grinds transverse position
For examination, cleaning, and correct adjustment teeth, etc
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