1. This should be a problem caused by laziness. The paper powder on both sides of the blanket is too thick to go to the ink fountain. Every time you wash, you need to add water to wash your car and clean it again with calcium solution every week.

2. If the concentration of the fountain liquid is too high, it will easily cause paper dust on the ink roller.

3, poor paper quality is also easy to produce a pile of paper, use the car wash water to clean the machine again. Guarantee the quality of printing. Otherwise, all kinds of dirty.

4. It is best to wash the car once for each class when printing offset paper. Use EK to remove the calcium agent and run it for 10 minutes. Car wash. Manually apply some water to dissolve the paper powder during the car wash. In addition, wash the tape during the printing process, especially for the edge prints. The ink paper powder in the place must be wiped off, and some workers only wash the part that is used for the print when washing the tape in the production, and the edges are not rubbed. This makes the ink stick powder pile particularly serious when printing long singles.