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US 2007/0132176 A1Published application
Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorWataru KAWATA
Life of this patent
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Abstract
After an image was formed, a position in the width direction of the sheet stacked on a stacking portion is aligned by fixing one of aligning plates which can independently be driven and moving the other aligning plate in one direction. When the image is formed onto the sheet, a side edge of the sheet on the side which is come into contact with the aligning plate on the side fixed as a reference wall upon aligning is used as a reference and the image is formed.
Claims16
An image forming apparatus comprising:
- an image forming portion which forms an image onto a sheet;
- and
- a sheet processing apparatus which processes after aligning sheets on which images are formed,
- wherein said sheet processing apparatus has:
- a stacking portion which stacks sheets on each of which an image is formed, and
- a pair of aligning members which are configured to face with each other and movable independently so that said pair of aligning members pinches side edges of the sheets in a direction perpendicular to a conveying direction in which the sheet is conveyed to said stacking portion to align the side edges of the sheets,
- wherein one of said aligning members is allowed to be chosen as a reference of the alignment, while the other of said aligning members aligns the side edges of the sheets by pressing the sheets against said one of aligning members, and
- wherein when an image forming portion which forms an image onto a sheet, said image forming portion forms an image at an image forming position which reference is on a basis of the sheet side edge to be abutted against said one of the aligning members.
5 more elements
Dependencies are inferred from the claim text.