How to use a small offset printing machine to print adhesive paper

Generally, the self-adhesive work is generally printed with a special web label printer. However, due to the unique structure of the multivariate small offset press, we used multivariate small offset presses to print the adhesive work and achieved good results. We now summarize our experience as follows for your reference.

1? Do not print directly on the roll of self-adhesive paper. Some small printing plants do not have die-cutting machines, and use manual paper cutting. The knife edge is not smooth enough, and the size is not well controlled. There are basically no rules, which may cause the paper to not be fed normally. In addition, after the roll of self-adhesive paper is cut, it has a certain degree of curl and cannot be flattened. The automatic sheet-fed offset printing machine cannot normally feed and print.

2? The following points should be noted when using stickers:

(1) Just cut the self-adhesive paper, it is best to dry for a while, dry the adhesive at the cut, and then print on the machine.

(2) When using a paper cutter to cut the paper, it is best to cut the paper to a standard.

(3) After the paper is cut, the glue in the self-adhesive paper interlayer will be squeezed out and stick to the edge of the paper, and the overflowing glue must be removed, otherwise double sheets will easily appear during printing, and even the paper will not be fed , Which affects overprinting.

(4) If you are in a hurry to print, you can use talc powder to spread on the cut of the self-adhesive paper to make the glue dry.

(5) If you use self-adhesive paper, the paper can not reach the front regulation, you need to lower the feed roller, extend the paper feeding time of the feed roller, so that the paper reaches the front regulation, and realize normal paper printing.

(6) After printing for a period of time, it is necessary to wipe off the glue under the side pull gauge, gripper, and pressure plate, wipe it off with alcohol, and then continue printing.

(7) Since the self-adhesive paper itself is a two-layer paper, plus the interlayer contains a layer of glue, it is a bit heavier than the paper with the same number of grams. When printing thick adhesive paper, it is necessary to increase the gap between the pressure plate and the platen roller to ensure that the paper runs normally.

In addition, there are a variety of stickers, including copperplate stickers, glass card stickers and plastic film stickers. When printing different stickers, different amounts of water and ink are required, and special attention should be paid to maintaining the balance of water and ink during operation.

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