EN
TRImportance of Quality in Printing
As in all matters, quality is an extremely important issue in printing presses. If a nice and neat catalog is to be printed, quality in printing is one of the most important issues. Quality in printing is ensured through competent equipment and a competent professional team. In other words, it is not possible to provide quality in printing by chance. For this, the use of quality materials and printing tools is also extremely important. Otherwise, it should be considered quite normal that the print to be made is far from quality and that the desired print cannot be achieved. If quality is desired in printing, the paper that is printed on must also have sufficient quality. All of the issues mentioned above are indispensable for quality printing. When maximum care and sensitivity are given to these issues, it is quite possible to achieve quality in printing.
Quality and Control Stages in Printing
There are various quality and control stages for the printing press and materials used in printing. To count them as items,
- Control in printing is done primarily by eye. The setting in printing is primarily whether the image to be printed is printed in the right place in accordance with the printing plan.
- Afterwards, it is checked whether the printing guides are pressed on top of each other with the loop.
- With the completion of these processes, the printing is done by measuring the qualities such as ink density (density), trapping, and dot swelling (dot gain) of the print with a printing densitometer according to the standards of the ISO Printing Industry.
- In order for these measurements to be made properly, the print control strip must also be printed with the image. There are areas on the print control strip that can be visually checked for slip-doubling type printing defects. Problems such as toning of the print or crushing of rubber can only be checked visually.
- The surface of the paper to be used in printing is checked by visual inspection under the light coming from the side and by touching it manually. In order to understand the cleanliness of the paper, it is necessary to examine it with a loop, illuminating it from the top and bottom. The strength of the paper is understood by folding it many times and tearing it lengthwise. The thickness of the paper is determined by measuring it with a micrometer. It is understood that the amount of glue in the paper is less or more by drawing longitudinal lines with an ink pen on the paper.
