Patent ID: 8523177
Filing Date: 2013-09-03
Classification: B41J,B65H,H04N

Abstract:
1. A conveying apparatus for continuously conveying a plurality of sheets for applying predetermined processing to the sheets, comprising: a conveying unit configured to feed the sheets loaded on a sheet stocking portion one by one, to convey the sheets along a conveying path, and to discharge the sheets; a conveyed amount measuring unit configured to measure a conveyed amount of the sheet by the conveying unit; a processing portion installed in the conveying path of the conveying unit and configured to execute the predetermined processing to the conveyed sheet; a detecting unit installed at an upstream position from the processing portion in the conveying path and configured to detect a leading end portion and a rear end portion of the sheet; and a control portion configured to determine a conveying error of the conveying unit and to control the conveying unit based on the conveyed amount measured by the conveyed amount measuring unit and a detection result by the detecting unit, wherein if the detecting unit does not detect the leading end of a sheet even after the conveyed amount from start of feeding of said sheet obtained from the conveyed amount measuring unit exceeds a predetermined amount, the control unit determines to be the conveying error and if the detecting unit detects the rear end portion of a sheet for the previous page, the control portion sets the predetermined amount smaller than the amount if the rear end portion is not detected.