| 摘要 |
An image forming unit (31,32,33,34) includes an image bearing body (101) on which a latent image is formed, a charging member (102) that charges the image bearing body, a developer bearing body (104) that develops the latent image on the image bearing body using a developer so as to form a developer image, a transfer portion (23) that transfers the developer image to a medium, a cleaning member (105) that removes an adhering matter adhering to part of the image bearing body after the part of the image bearing body passes the transfer portion, a collection roller (201) provided so as to form a contact portion between the collection roller and the image bearing body and is located between the cleaning member and the charging member, and a collection roller power source that applies a voltage to the collection roller. The voltage has the same polarity as a polarity of the developer. |
