INK FILM THICKNESS ADJUSTMENT METHOD IN PRINTER

To provide an ink film thickness adjustment method in a printer that can reduce an ink film thickness by suppressing waste of sheet paper and ink.SOLUTION: According to an ink film thickness adjustment method in a printer, at a final stage of final printing of a current job, final printing is performed in the state that call operation of an ink call roller 25 is stopped, and a concentration of a printed matter, which is printed at the final stage of final printing, is measured while performing ink removing that leaves, on an ink roller group 4, the minimum ink film thickness required for final printing of the current job, a final concentration, which is the measured concentration, is compared with a preset reference concentration, and on the basis of the comparison result, it is determined whether an ink on an ink roller, which constitutes the ink roller group 4 is scraped off.SELECTED DRAWING: Figure 2 【課題】枚葉紙及びインキの無駄を抑制してインキ膜厚を下げることができる印刷機におけるインキ膜厚調整方法を提供する。【解決手段】現ジョブの本刷りの最終段階において、インキ呼び出しローラ２５の呼出動作を停止した状態で本刷りを行ってインキローラ群４に現ジョブの本刷りに必要とされる最低限のインキ膜厚を残すインキリムービングを行いながら、本刷りの最終段階で印刷される印刷物の濃度を測定し、測定した濃度である最終濃度と予め設定されている基準濃度とを比較し、比較した結果に基づいて、インキローラ群４を構成するインキローラ上のインキを掻き取るかどうかを判断する。【選択図】 図２