Paper bag printing what matters should be paid attention to in the process of production?

Hong Kong star paper bag paper bag remind doing printing process should pay attention to the following several aspects. A, different kinds of paper bag need to spell it on A plate for printing, if the puzzle is tonal the same or similar products no spell on the same vertical position, there may be A product can reach the standard photos, B product basic close to standard photos, C product and slightly off color photos, D product with color photos larger phenomenon. Therefore, when the puzzle should be warm color attune, cool color attune, middle value products in the same vertical position, in order to print out the high quality product. 2 carton, paper bag design puzzle if will not graphic part put in mouth diao, and pulling the pin on the is not a continuous tone image, is flat screen or field, so the paper design printing, it is easy to produce & other Ghost & throughout; , the serious influence the quality of the product. At this point the graphic part should be put in tow tip place, so as not to appear & other; Ghost & throughout; 。 Third, paper bag design puzzle also should pay attention not to save the film and to save the carton finished product line, relying instead on printing and printing workers calculate diao mouth and the location of the finished product, this will greatly affect the production efficiency, may also because of printing and printing personnel oversight, caused the serious accident. Four, the paper designs the output of film usually contains no pull gauge identification on line, but if there are any diao mouth and tow shoots are blank, can bring great inconvenience to carton printing position. To this, it is necessary to produce pull gauge marking line on the film. Those who don't need to be framed corrugated cardboard packaging cartons, pull gauge identification line production to rely on body parts; Need framed corrugated cardboard packaging cartons, pull gauge identification line production in outwards. Five, the paper design ensure that conform to the requirements of the printing film, film output after carefully check the graphic on the film is consistent with the photos ( As a check packaging gift box knife version of the benchmark line must specification) 。 Six, the paper designs to ensure the correct alignment between different film, this is because a film set, generally two output, its accuracy is very vulnerable to some objective factors. Output film once appear quality problem, should be redone. Seven, paper bag printing should carefully before comparing film and proofs, if the film density of mass-tone attune slants big, you should add the exposure time when plate burning, avoid printing color bias; If the density is small, should be to reduce the exposure time when plate burning, so as to avoid network loss affect the color reappearance.
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