IMAGE FORMATION APPARATUS

To provide an image formation apparatus which can change an operation when determining that a polygon mirror is stained.SOLUTION: An image formation apparatus causes a display unit to display a screen that enables selection of a first mode and a second mode when a light amount of laser light emitted...

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Bibliographische Detailangaben
1. Verfasser:	MORI TAKAHITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CINEMATOGRAPHY CORRECTION OF TYPOGRAPHICAL ERRORS ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MAGNETOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	To provide an image formation apparatus which can change an operation when determining that a polygon mirror is stained.SOLUTION: An image formation apparatus causes a display unit to display a screen that enables selection of a first mode and a second mode when a light amount of laser light emitted from a light source and reflected by a polygon mirror is equal to or less than a first reference value and greater than a second reference value. The image formation apparatus rotates the polygon mirror at a first rotational speed in the time of image formation when information for selecting the second mode is not input, and rotates the polygon mirror at a second rotational speed smaller than the first rotational speed in the time of image formation when information for selecting the second mode is input.SELECTED DRAWING: Figure 5 【課題】ポリゴンミラーが汚れていると判別した場合に動作を変更可能な画像形成装置を提供する【解決手段】画像形成装置は、光源から出射され、かつポリゴンミラーによって反射されたレーザ光の光量が、第１基準値以下で、第２基準値より大きい場合に、表示部に、第１モードと第２モードとを選択可能とする画面を表示させる。第２モードを選択する情報が入力されなかった場合に、画像形成時にポリゴンミラーを第１回転速度で回転させ、第２モードを選択する情報が入力された場合に、画像形成時にポリゴンミラーを第１回転速度より小さい、第２回転速度で回転させる。【選択図】図５