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Waiting tray for sheet processing tray

  • US 7,172,187 B2
  • Filed: 12/10/2004
  • Issued: 02/06/2007
  • Est. Priority Date: 09/28/2004
  • Status: Active Grant
First Claim
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1. A sheet post-process apparatus, comprising:

  • a plurality of input rollers which receive sheets from a multi-function peripheral and convey the sheets forward;

    sheet-feeding rollers which are provided downstream from the plurality of input rollers and receive the sheets from the plurality of input rollers;

    a waiting tray which is provided in a conveying path and holds some of the sheets conveyed from the sheet-feeding rollers when a bundle of sheets needs to be post-processed;

    a control mechanism which controls a speed of the sheet-feeding rollers provided upstream of the waiting tray, the control mechanism using a detected leading edge of the sheets to control the speed of the sheet-feeding rollers;

    a processing tray which holds the sheets conveyed from the waiting tray and other sheets forming the bundle of sheets, before the bundle of sheets is post-processed; and

    a post-process mechanism which performs a post-process on the bundle of sheets on the processing tray, comprising;

    a first sensor that detects sheet information supplied from the multi-function peripheral and the leading edge of the sheets;

    a second sensor provided between the first sensor and the waiting tray, that detects the leading edge of the sheets; and

    a control unit that generates a control signal for controlling the speed of the sheet-feeding rollers, from the sheet information and the leading edge detected by the first and second sensors.

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