| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a developing roller excellent in lightness, an image forming apparatus and an image forming method. <P>SOLUTION: The developing roller is made of a metal plate formed like a cylinder so that a pair of opposed end faces may approach while leaving prescribed space in between, and a joint part is formed between the pair of end faces of the metal plate. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
