Image forming system, image forming apparatus and print server
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United States of America Patent
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Dec 23, 2014
Issued Date -
N/A
app pub date -
Apr 15, 2009
filing date -
Apr 18, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus has: pluralities of sheet storage units; a printing unit; a sheet driving unit that feeds a sheet of paper from the sheet storage units to the printing unit; a group setting maintaining unit that forms a group of the sheet storage units; a residual sheet amount detecting unit that detects sheet empty on any of the sheet storage units in the group; a sheet storage switching control unit that controls the sheet driving unit to select another one of the sheet storage units in the same group for feeding a sheet, if the residual sheet amount detecting unit detects the sheet empty; and a sheet empty warning unit that warns a user of the sheet empty detected by the residual sheet amount detecting unit.
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