Sheet conveying apparatus and image forming apparatus for correcting skew of a sheet

摘要

A sheet conveying apparatus forms a loop of a sheet between a first conveyance roller pair and a second conveyance roller pair, and before a leading edge of the sheet reaches a nip portion of a third conveyance roller pair, separates the first conveyance roller pair.

主权项

1. A sheet conveying apparatus comprising:
a first conveyance roller pair configured to convey a sheet; a second conveyance roller pair disposed upstream of the first conveyance roller pair and configured to convey the sheet; a contact portion disposed downstream of the first conveyance roller pair and configured to contact the conveyed sheet; a third conveyance roller pair disposed downstream of the first conveyance roller pair and configured to convey the sheet with a skew having been corrected by contacting the contact portion; a separation unit configured to separate the first conveyance roller pair; and a control unit configured to control a conveyance speed of the sheet conveyed by the first conveyance roller pair, a conveyance speed of the sheet conveyed by the second conveyance roller pair, and the separation unit, wherein the control unit forms a loop of the sheet between the first conveyance roller pair and the second conveyance roller pair, and separates the first conveyance roller pair before a leading edge of the sheet reaches the contact portion.