Patent ID: 8955839
Filing Date: 2015-02-17
Classification: B65H

Abstract:
1. A paper feed apparatus comprising: a paper tray configured to store sheets; a paper stop unit configured to transfer a sheet to an apparatus connected in the downstream side of said paper feed apparatus with a predetermined timing; a first conveyance unit configured to convey a sheet fed from said paper tray to said paper stop unit; a second conveyance unit configured to receive a sheet from an apparatus connected in the upstream side of said paper feed apparatus, and convey this paper to said paper stop unit; and a control unit configured to perform first correction control for controlling said first conveyance unit to correct the skew of a sheet by forming a loop of the sheet between said paper stop unit and said first conveyance unit, and second correction control for controlling said second conveyance unit to correct the skew of a sheet by forming a loop of the sheet between said paper stop unit and said second conveyance unit, wherein said control unit performs said first correction control and said second correction control in order that a skew correcting ability of said second correction control is greater than the skew correcting ability of said first correction control, wherein the skew correcting ability is adjusted by a conveyance linear speed of a sheet.