IMAGE FORMATION DEVICE

PROBLEM TO BE SOLVED: To provide an image formation device that is simply configured, and allows an image formation object with unevenness on a conveyance face to be positioned during a period until the image formation object is conveyed to the image formation position since the image formation obje...

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Bibliographische Detailangaben
Hauptverfasser: KIKKO EIJI, MINAGAWA TATSUYA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an image formation device that is simply configured, and allows an image formation object with unevenness on a conveyance face to be positioned during a period until the image formation object is conveyed to the image formation position since the image formation object is put on a conveyance unit having conveyance roller or conveyance belt.SOLUTION: An image formation device 1 in which a toner image transferred to an intermediate transfer body 31 is transferred to an image formation object B conveyed by a conveyance unit 40 has: a detection unit 70 that detects the image formation object B at a position apart more than a movement distance of an image from a position P4 where the toner image is transferred to the image formation object B on a conveyance route from the intermediate transfer body 31 to a position where a latent image is transferred to the image formation object B as the toner image via the intermediate transfer body 31 toward a conveyance direction upstream; and a latent image formation start control unit 91 that controls a timing of starting latent image formation onto a photoreceptor 13 by an exposure unit 12 on the basis of a detection signal of the image formation object B detected by the detection unit 70.SELECTED DRAWING: Figure 1 【課題】簡易な構成、かつ、搬送面に凹凸のある画像形成対象物が、搬送ローラ、あるいは、搬送ベルトを有する搬送部に投入されてから画像形成位置に搬送されるまでの間に安定的に位置決めすることができる画像形成装置を提供すること。【解決手段】中間転写31体に転写されたトナー像が搬送部40によって搬送された画像形成対象物Bに転写される画像形成装置1において、搬送経路上の画像形成対象物Bに中間転写体31からトナー像が転写される位置P4から搬送方向上流側に向けて、潜像が中間転写体31を介して画像形成対象物Bにトナー像として転写される位置までの像の移動距離以上離間された位置で画像形成対象物Bを検出する検出部70と、検出部70によって検出された画像形成対象物Bの検出信号に基づいて、露光部12による感光体13への潜像形成開始のタイミングを制御する潜像形成開始制御部91と、を有してなる。【選択図】図1