Title:
画像形成装置
Document Type and Number:
Japanese Patent JP4037091
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent image deterioration from being caused by the reverse transfer and toner image disturbance. SOLUTION: In a tandem structure in which a plurality of photoreceptor drums 20 are juxtaposed, a primary transfer bias roller 30 is disposed opposite each photoreceptor drum 20 in a corresponding transfer part. The shaft 30a of each primary transfer bias roller 30 is provided, via bearings, with butting members 53 which are in contact with the surface of the corresponding photoreceptor drum 20. Thus, an empty space g is created between the photoreceptor drum 20 and the intermediate transfer belt 29.
Inventors:
Sadayuki Iwai
Application Number:
JP2001356542A
Publication Date:
January 23, 2008
Filing Date:
November 21, 2001
Export Citation:
Assignee:
株式会社リコー
International Classes:
G03G15/01; G03G15/16
Domestic Patent References:
| JP7140811A | ||||
| JP6083216A | ||||
| JP2001312158A | ||||
| JP2000206800A | ||||
| JP2000131968A | ||||
| JP2001125389A |
Attorney, Agent or Firm:
Toru Kabayama
Shogo Honda
Shogo Honda