| 摘要 |
A guide roller unit, provided for use in an electrophotographic printer, includes a guide roller and a cleaning blade. For guiding printing paper, the guide roller is provided with a contact surface that comes into contact with a surface of the printing paper on which an unfixed toner image is produced. The cleaning blade comes into contact with the contact surface of the guide roller for removing toner on the roller. The contact surface of the guide roller is provided with a blade contact portion, such as a projection or groove, for causing the cleaning blade to vibrate.
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