| 摘要 |
PURPOSE:To quickly execute partial amendment of color tone in gravure printing without requiring much cost for changing color tone partially. CONSTITUTION:In gravure printing where the surface 301 of a plate cylinder 3 is dipped in ink 11 in an ink pan 9 and cells are filled with the ink 11 and the ink 11 in the cells is transferred to paper 15, cells in positions where color tone amendment is to be executed of the plate cylinder 3 are filled, before dipping the surface 301 of the plate cylinder in the ink 11 in the ink pan 9, with color tone amendment ink 27 in an auxiliary ink pan 29 by operation of a form roller 25 through an ink source roller 67 and an ink doctor roller 71. |
