| 摘要 |
A paper feeder for use in an image forming apparatus for forming images on a printing paper, including a primary paper feeding mechanism (17) which sends out printing sheets one by one at a predetermined speed and a secondary paper feeding mechanism (4) which sends out each of the printing sheets fed from the primary paper feeding mechanism (17) to a printing portion at a speed corresponding to the printing speed of said printing portion, the printing portion being rotated at a speed selected from plural stages of rotational speeds. <IMAGE> |
