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 Method for eliminating a paper jam of an image forming system and apparatus therefor

Details
Inventors: Kim, Kyung-Yeol;
Assignee: SamSung Electronics Co., Ltd. (Suwon, KR)
Primary Examiner: Ramirez; Nestor R.
Assistant Examiner:
Attorney, Agent or Firm: Bushnell; Robert E.

A system for automatically eliminating a paper jam in an electrophotographic device may be initiated by removing and re-inserting a paper cassette subsequent to the occurrence of the paper jam. If the paper cassette is removed and inserted, a paper jam eliminating mode is implemented to eliminate the paper jam. In one implementation, a controller detects entry and exit of the paper as the paper is propelled by a plurality of rollers to travel between spaced-apart locations along a path normally taken by the paper as the paper travels through the device, makes a determination of the occurrence of a paper jam due to an interruption of the travel of the paper along the path on a basis of any delay in the entry and exit, monitors a first sensor to detect removal and reinsertion of said paper cassette subsequent to the occurrence, and upon detection of removal and reinsertion of said paper cassette subsequent to the occurrence, eliminates the interruption by driving the plurality of rollers to expel paper from said conveyance path.

DETAILED DESCRIPTION Accordingly, it is therefore one object of the present invention to provide an improved apparatus and process for clearing jams of sheets of paper within image forming systems.
It is another object to provide a simplier process and apparatus for removing a paper jam along a paper conveyancing path of an image forming system.
It is yet another object to provide a more practical process and apparatus for clearing a paper jam occurring along the paper conveyancing path of an image forming system.
It is still another object to provide a process and apparatus for reducing the exposure of light and the occurrence of vibrations and shock generated when correcting a paper jam along the paper conveyancing path of an image forming system.
It is still yet another object to provide a method and apparatus for correcting a paper jam in an image forming system without the necessity of opening and closing the cover of the unit.
It is a further object of the present invention to provide a method and apparatus enabling correction of a paper jam in an image forming system by removing and re-inserting a paper cassette into the unit.
These and other objects may be achieved in accordance with one aspect of the present invention by, upon determination of the likelihood of an occurrence of a paper jam along the paper conveyancing path of all image forming unit, then making a determination about whether a paper cassette has been removed and re-inserted.
If the paper cassette has been removed and re-inserted, a paper jam eliminating mode is implemented to thereby correct a paper jam within the



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