Sheet conveying device and sheet conveying method
AssigneeToshiba Tec Kabushiki Kaisha
InventorsMichael W. LAWRENCE, Gary L. NOE, Mikio YAMAMOTO
Life of this patent
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Abstract
A sheet conveying device includes a first roller, a second roller, and a controller. The first roller is configured to rotate in a forward direction for sheet conveyance along a sheet conveying direction. The second roller is disposed downstream with respect to the first roller in the sheet conveying direction and configured to rotate in a forward direction along the sheet conveying direction and in a reverse direction. The controller is configured to control the second roller to rotate in the reverse direction at a timing when a leading end of a sheet that is nipped and conveyed by the first roller reaches a nip of the second roller.
Claims20
A sheet conveying device comprising:
- a first roller configured to rotate in a forward direction for sheet conveyance along a sheet conveying direction;
- a second roller disposed downstream with respect to the first roller in the sheet conveying direction and configured to rotate in a forward direction along the sheet conveying direction and in a reverse direction;
- and
- a controller configured to control the second roller to start rotating in the reverse direction before a leading end of a sheet that is nipped and conveyed by the first roller reaches a nip of the second roller, a rotation speed of the second roller in the reverse direction being at a first speed when the sheet has a first thickness and at a second speed lower than the first speed when the sheet has a second thickness greater than the first thickness.
A sheet conveying device comprising:
- a first roller configured to rotate in a forward direction for sheet conveyance along a sheet conveying direction;
- a second roller disposed downstream with respect to the first roller in the sheet conveying direction and configured to rotate in a forward direction along the sheet conveying direction and in a reverse direction;
- and
- a controller configured to control the second roller to start rotating in the reverse direction before a leading end of a sheet that is nipped and conveyed by the first roller reaches a nip of the second roller, when the sheet has a first thickness, wherein
- the second roller does not rotate in the reverse direction before the leading end of the sheet that is nipped and conveyed by the first roller reaches the nip of the second roller, when the sheet has a second thickness greater than the first thickness.
Dependencies are inferred from the claim text.