| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an image forming device capable of improving productivity by reducing frequency of sheet supply of a user to the utmost by a comparatively simple method. SOLUTION: This image forming device is furnished with a sheet size detection means to detect size of sheets provided and stored in each of a plural number of paper feeding trays 1-4 and a sheet supply selection means to automatically select the paper feeding trays to store sheets of sheet size required to supply to a picture image formation device 5 from a plural number of the paper feeding trays 1-4, and this sheet supply selection means is devised to select the trays sequentially from the paper feeding tray having a larger number of the sheets stored out of the paper feeding trays 1-4 to store the sheets of required sheet size.</p> |
