Sheet stacking apparatus and image forming system with...

Details Sheet stacking apparatus and image forming system with... Sheet stacking apparatus and image forming system with...

2008-06-12

2011-12-13

McClain, Gerald (Department: 3653)

Sheet feeding or delivering

Delivering

Multiple discharge

C271S215000, C271S288000, C271S289000, C271S298000

Reexamination Certificate

active

08074984

ABSTRACT:
A sheet stacking apparatus includes a stage, a driving unit to drive the stage, and a sheet detection device to detect that a sheet exists on the stage. Operation of the sheet stacking apparatus is controlled so that the stage descends in accordance with an amount of sheets to be stacked, and when a job executed in an image forming apparatus is completed, the stage automatically moves to a sheet removing position. The sheet stacking apparatus is controlled so that sheets of a mixing prohibition job are not stacked with sheets of another job, by detecting that a sheet of another job exists on the stage.

REFERENCES:
patent: 10-139256 (1998-05-01), None
patent: 11-116122 (1999-04-01), None
patent: 11116122 (1999-04-01), None
patent: 11-147649 (1999-06-01), None
patent: 11147649 (1999-06-01), None
patent: 2004238187 (2004-08-01), None
patent: 2005-162453 (2005-06-01), None
patent: 2006-219286 (2006-08-01), None
Japanese Office Action dated Jan. 5, 2010 and English translation thereof issued in a counterpart Japanese Application No. 2007-319357.

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