JP4931751B2 - 画像形成装置及び画像形成方法 - Google Patents
画像形成装置及び画像形成方法 Download PDFInfo
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- JP4931751B2 JP4931751B2 JP2007247973A JP2007247973A JP4931751B2 JP 4931751 B2 JP4931751 B2 JP 4931751B2 JP 2007247973 A JP2007247973 A JP 2007247973A JP 2007247973 A JP2007247973 A JP 2007247973A JP 4931751 B2 JP4931751 B2 JP 4931751B2
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- intermediate transfer
- image forming
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Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ink Jet (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Description
図1は、本発明の実施形態に係るインクジェット記録装置10の概略構成を示す
本例に示すインクジェット記録装置10は、中間転写体12にインク液滴を打滴して1次画像を形成した後に、中間転写体12に形成された1次画像を記録媒体24に転写記録する転写記録方式が適用される。
次に図1に示す印字部20について詳説する。印字部20の各ヘッド20K,20C,20M,20Yは、中間転写体12における画像形成領域の最大幅に対応する長さを有し(図3参照)、そのインク吐出面には画像形成領域の全幅にわたりインク吐出用のノズル(図3中不図示、図5に符号51で図示)が複数配列されたフルライン型のヘッドとなっている。
次に、印字部20のヘッド20K,20C,20M,20Yの構造について詳説する。ヘッド20K,20C,20M,20Yの構造は共通しているので、以下、これらを代表して符号50によってヘッドを示す。
図7はインクジェット記録装置10におけるインク供給系の構成を示した概要図である。
図8はインクジェット記録装置10のシステム構成を示す要部ブロック図である。インクジェット記録装置10は、通信インターフェース70、システムコントローラ72、メモリ74、モータドライバ76、ヒータドライバ78、プリント制御部80、画像バッファメモリ82、ヘッドドライバ84等を備えている。更に、図8に示すように転写記録制御部79、樹脂液塗布制御部81、凹凸形成制御部83、センサ92を備えている。
次に、本例に示す画像形成方法の具体的な実施例について説明する。本実施例では、凹凸形状を形成した樹脂層(Ra=1.2μm、周期5μm)と、凹凸形状を形成しない樹脂層(Ra=0.2μm)に同一条件でインク液滴を打滴し、マーキング性と転写性の評価をおこなった。なお樹脂層の表面粗さはキーエンス社製VIOLET LASER VK-9500で測定した。
次に、本発明の第2実施形態について説明する。図11には、本発明の第2実施形態に係るインクジェット記録装置100の概略構成を示す。なお、図11中、図1と同一または類似する部分には同一の符号を付し、その説明は省略する。
Claims (7)
- 中間転写体上に1次画像を形成した後に、前記1次画像を記録媒体に転写記録する画像形成装置であって、
前記中間転写体を所定の移動方向に移動させる移動手段と、
前記中間転写体の画像形成面に凹凸形状を形成する凹凸形成手段と、
前記凹凸形成手段の中間転写体移動方向上流側に設けられ、前記中間転写体の画像形成面に、熱可塑性樹脂材料を含む樹脂材料を塗布する塗布手段と、
前記凹凸形成手段の中間転写体移動方向下流側に設けられ、凹凸形状が形成された中間転写体の画像形成面にインク液滴を打滴して1次画像を形成する打滴手段と、
前記打滴手段の中間転写体移動方向下流側に設けられ、前記中間転写体の画像形成面に形成された1次画像に記録媒体を接触させた状態で前記中間転写体及び前記記録媒体のうち少なくとも何れか一方を押圧して、前記1次画像を前記記録媒体に転写記録する転写記録手段と、
前記塗布された樹脂材料を加熱する樹脂材料加熱手段と、
を備え、
前記凹凸形成手段は、前記中間転写体の画像形成面に形成される凹凸形状に対応する凹凸形状を表面に有する押圧部材を含み、前記中間転写体上の前記塗布された樹脂材料に前記押圧部材を押し当てて前記中間転写体の画像形成面に凹凸形状を形成し、
前記樹脂材料加熱手段は、前記凹凸形成手段による凹凸形状形成中に前記熱可塑性樹脂材料が軟化状態となるように前記熱可塑性樹脂材料を加熱することを特徴とする画像形成装置。 - 前記樹脂材料加熱手段は、前記塗布手段と前記凹凸形成手段の間に設けられることを特徴とする請求項1記載の画像形成装置。
- 前記樹脂材料加熱手段は、前記凹凸形成手段に対応する位置の前記中間転写体と反対側に設けられることを特徴とする請求項1記載の画像形成装置。
- 前記樹脂材料加熱手段は、前記中間転写体に内蔵されることを特徴とする請求項1記載の画像形成装置。
- 前記インクを凝集或いは増粘させる処理液を前記中間転写体の画像形成面に塗布する処理液塗布手段を備えたことを特徴とする請求項1乃至4のうち何れか1項記載の画像形成装置。
- 前記塗布手段は前記処理液塗布手段と兼用されるとともに、前記塗布手段は前記インクを凝集或いは増粘させる処理液を前記樹脂材料とともに前記中間転写体の画像形成面に塗布することを特徴とする請求項5記載の画像形成装置。
- 中間転写体上に1次画像を形成した後に、前記1次画像を記録媒体に転写記録する画像形成方法であって、
前記中間転写体を所定の移動方向に移動させる移動工程と、
前記中間転写体の画像形成面に、熱可塑性樹脂材料を含む樹脂材料を塗布する塗布工程と、
前記中間転写体の画像形成面に形成される凹凸形状に対応する凹凸形状を表面に有する押圧部材を、前記中間転写体上の前記塗布された樹脂材料に押し当てて、前記中間転写体の画像形成面に凹凸形状を形成する凹凸形成工程と、
前記凹凸形成工程における凹凸形状形成中に、前記熱可塑性樹脂材料が軟化状態となるように前記熱可塑性樹脂材料を加熱する加熱工程と、
前記凹凸形成工程の後に、凹凸形状が形成された中間転写体の画像形成面にインク液滴を打滴して1次画像を形成する打滴工程と、
前記打滴工程の後に、前記中間転写体の画像形成面に形成された1次画像に記録媒体を接触させた状態で前記中間転写体及び前記記録媒体のうち少なくとも何れか一方を押圧して、前記1次画像を前記記録媒体に転写記録する転写記録工程と、
を含むことを特徴とする画像形成方法。
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