| 摘要 |
PROBLEM TO BE SOLVED: To provide a printer image drum of which position relative to print heads is constant even when ink is transferred from the print heads to the image drum and a print medium is fed to the image drum at the same time. SOLUTION: This printer image drum includes a cylindrical drum 46 formed of a first material, a bearing 42 formed of a second material, and an end bell 44 formed of the first material for attaching the cylindrical drum to the bearing. The bearing is not plastically deformed at about 20°C, and the outer surface of the cylindrical drum always maintains a cylindrical shape at about 70°C. COPYRIGHT: (C)2007,JPO&INPIT |
