IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

• Main Authors: KARIKUSA YUJI, KOBAYASHI YUKIFUMI, KURITA TAKAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 24.06.2019
• Subjects: CALCULATING; CINEMATOGRAPHY; COMPUTING; CORRECTION OF TYPOGRAPHICAL ERRORS; COUNTING; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; LINING MACHINES; MAGNETOGRAPHY; PERFORMING OPERATIONS; PHOTOGRAPHY; PHYSICS; PRINTING; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TYPEWRITERS

To adjust the image position in a print accurately.SOLUTION: An image forming method includes: forming an image on a recording medium; scanning the recording medium having a position detection mark on the recording medium as the image to generate a scanned image; calculating a plurality of correction values to adjust a position of the image to be formed on the recording medium, based on the scanned image; calculating a first correction value of the plurality of correction values, based on a scanned image generated from a first face of the recording medium; calculating a second correction value, based on a second scanned image generated from a second face of the recording medium; and calculating a third correction value to adjust a position of an image to be formed on the second face of the recording medium, based on the scanned image generated from the first face of the recording medium on which the position detection mark is formed using the first correction value.SELECTED DRAWING: Figure 3 【課題】印刷物における画像位置の調整を精度よく行う。【解決手段】記録媒体に画像を形成し、前記画像として位置検知マークが形成された記録媒体を読み取って読取画像を生成し、前記読取画像に基づいて、前記記録媒体に形成される前記画像の位置を調整するための補正値として、前記記録媒体の第１面の読取画像に基づいて第１補正値を算出し、前記記録媒体の第２面の読取画像に基づいて第２補正値を算出し、前記第１補正値を反映させて前記位置検知マークが形成された前記記録媒体の第１面の読取画像に基づいて、前記記録媒体の第２面に形成される画像の位置を調整する第３補正値を算出する。【選択図】図３