1. The old version was not cleaned during printing.
2. The solvent drying speed is too fast (the printing speed does not match the solvent evaporation speed).
3. Dry hot air blows onto the plate.
4. When the contact point between the doctor blade and the plate surface and the imprinted ink have dust, moisture, bubbles and other miscure, the transfer rate of the ink will be reduced due to the decrease of the actual amount of ink in the mesh, and some coarse particles may even be embedded in Inside the cave.
5. The accuracy and angle of the electric engraving of the mesh hole will also be affected during plate making.
6. The transfer to the ink causes insufficient or lost dots.
7. The quality of the ink and solvent is also one of the reasons for blocking the plate. If the fluidity of the ink is not good, the printing viscosity is too high, the ink has deteriorated or mixed into different series of inks, an inappropriate solvent or solvent ratio is used. Even improper operation when adding solvent to the ink will affect the transferability of the ink and cause blockage.
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