| 摘要 |
PURPOSE: A both side printing device of an electro-photographic processor is provided to minimize a whole size of a product by defining a paper turning up path by using a manual feed tray without providing any additional paper turning up elements occupying an additional space, thereby improving assembling workability and reducing manufacturing cost. CONSTITUTION: A both side printing device of an electro-photographic processor includes a guide for opening and closing a paper turning up path(21) mounted in a paper discharging die to be opened in a both side printing mode, a paper turning up and conveying path formed from the guide to a register roller(4), paper turning up and discharging rollers(22,23) mounted in the paper turning up and conveying path to discharge a paper toward a manual feeding tray(31), and position detecting sensors(24,25) mounted at an inlet part of the paper turning up and discharging roller for sensing a rear end of a paper to turn up.
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