Image forming apparatus that changes over paper feeding stages
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United States of America Patent
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May 29, 2018
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app pub date -
Sep 30, 2016
filing date -
Sep 30, 2015
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Abstract
Provided is an image forming apparatus preventing lowering of continuous printing performance; including plural paper feeding stages in main body; a residual paper quantity detection sensor; a printer part printing on paper; a paper feeding stage searching part functioning every time paper feeding is made; a paper feeding stage selection part determining existence of paper feeding capable stage, on result by paper feeding stage searching part, and selecting a paper feeding stage; a system control part performing stage changeover according to selection result by paper feeding stage selection part; when there exists no paper feeding capable stage, paper feeding stage selection part notifying system control part of it, and when there exists paper feeding capable stage, paper feeding stage selection part altering priority levels in stage searching on detection result by residual paper quantity detection sensor, and number of sheets required for printing, selecting paper feeding stage.
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