The pressure of the drum should be adjusted properly in the printing of food packaging bags, and the rubber will be rolled when the packaging bags are printed carelessly; If the ink color is too heavy and the solid bottom is too large, it is easy to stick rubber or ink roller.

When it works, if the rule is found not good, the paper feeding situation, and the paper passing wheel and the paper pressing wheel shall be checked in time; For the thicker paper, the pressure of the paper roller and brush wheel should be heavier.

The ink color has the direct impact on the printing quality, and the package plays the significant protection decoration role on the item. The packaging printing will directly affect the aesthetic ideas and conception of the customers.