Paper print brushing fault handling example

The company undertakes a batch of 100,000 books of book printing business. The time requirement is very tight, and the customer specified that it should be printed with a decorative base paper with a basis weight of 60 g/m2.

After the machine was found, the printability and mechanical strength of the paper were much worse than those of general printing paper, and the phenomenon of pulling and peeling was serious. Printing time is not long, blankets have been covered with "white spots", paper hair on the ink roller, ink fountain everywhere, resulting in imprinting hair, hair, seriously affected the quality of printed products. In this case, simply cleaning the blanket and ink roller will not solve the problem.

The operator made a series of adjustments to lower the viscosity of the ink, reduce its adhesiveness, shorten the filament, and control the amount of water in the layout to prevent ink emulsification. In addition, the printing speed is reduced, making it lower than the normal printing speed. Finally, the production task was completed on time and with a guaranteed texture.

(Shandong Linyi Daily Newspaper Printing Company Wang Fei)

Source "Printing Technology - Publishing Commercial Printing"