Food Box For Macarons Issues To Be Noted When Inspecting Printed Specimens

Food Box For Macarons Issues to be noted when inspecting printed specimens

In the printing process, the inspection of the printed sample by the printer master is an essential work to ensure the quality of the printed matter and ensure the delivery time. The following contents should be paid attention to in the inspection of printed samples:

1. Check the ink. The first feeling of printed matter is whether it is beautiful or not, whether it is in line with people's visual feelings, aesthetic concepts, etc., printing masters generally judge and require the original or color code. There are many factors that affect the ink color of printed matter, especially in the trial printing stage due to the variation of the ink volume of the layout, it is easy to produce color changes, which mainly depends on the experience of the printer master to judge, so as to effectively control the balance of ink and wash.

2. Check the overprint. We know that the colorful printed matter is mainly composed of yellow, product, green and black four kinds of color dot superposition. This must ensure the accuracy of the overprint, the overprint tolerance is generally stipulated to be 0.1 mm. There are many factors that affect overprinting, such as the teeth of the machine, pressure, temperature and humidity of the printing workshop, and the performance of the paper.

3. Check the text. The complete transfer of images and text is the premise of ensuring quality, so when there are incomplete, we must find out the reasons, such as the depression of the blanket, the exposure and development time at the time of publication. When the content of the printed text is enlarged or blurred, be sure to check the pressure and the change of the ink.

4. Check for printing failure. Always pay attention to whether there are printing faults, such as ink, dirt, powder spray, etc., do offset printing "three times" work. At the same time, it is also necessary to check the operation of the machine and the working condition of the machine parts, and check the parts of the feeding, printing and receiving paper.

At present, people's requirements for printed matter are getting higher and higher, which virtually also puts forward higher requirements for printing masters, not only requires certain professional technical knowledge, but also pays attention to the accumulation of certain operating experience and the ability to troubleshoot, in order to meet the needs of the increasing development of printing industry.