SHEET CONVEYANCE DEVICE
To provide a sheet conveyance device which can suppress degradation in productivity in correction of skew of a sheet.SOLUTION: A registration unit includes an abutment member which is arranged on the downstream of a conveyance roller part so as to extend in a sheet conveyance direction, has a refere...
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Zusammenfassung: | To provide a sheet conveyance device which can suppress degradation in productivity in correction of skew of a sheet.SOLUTION: A registration unit includes an abutment member which is arranged on the downstream of a conveyance roller part so as to extend in a sheet conveyance direction, has a reference surface on which the side end of the sheet abuts, and corrects skew of the sheet. The registration unit has obliquely conveying roller part which is arranged on the downstream side of the conveyance roller part in the sheet conveyance direction, and conveys the side end of the sheet toward an abutment surface. A control part controls conveyance force of the obliquely conveying roller part to first conveyance force until a predetermined time β elapses in sheet abutment operation to the abutment surface by the obliquely conveying roller part. The control part controls the conveyance force of the obliquely conveying roller part to second conveyance force larger than the first conveyance force, when the predetermined time β elapses and the position of the side end of the sheet detected by CIS is out of a predetermined range.SELECTED DRAWING: Figure 4
【課題】シートの斜行の補正における生産性の低下を抑制可能にするシート搬送装置を提供する。【解決手段】レジストレーションユニットは、シート搬送方向に沿って延びるように搬送ローラ部の下流に配置され、シートの側端部が突き当たる基準面を有し、シートの斜行を補正する突き当て部材を備える。レジストレーションユニットは、シート搬送方向において搬送ローラ部の下流に配置され、シートの側端部を突き当て面に向けて搬送する斜送ローラ部を備える。制御部は、斜送ローラ部による突き当て面へのシートの突き当て動作において、所定時間βが経過するまで斜送ローラ部の搬送力を第1搬送力に制御する。制御部は、所定時間βが経過し且つCISが検知したシートの側端部の位置が所定の範囲外である場合に、斜送ローラ部の搬送力を前記第1搬送力よりも大きい第2搬送力に制御する。【選択図】図4 |
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