Title:
画像形成装置
Document Type and Number:
Japanese Patent JP6794134
Kind Code:
B2
Abstract:
An image forming apparatus includes an image forming unit, a transfer portion that transfers a toner image to a transfer material, a first roller disposed upstream of the transfer portion in a conveying direction of the transfer material, and a second roller disposed upstream of the transfer portion and downstream of the first roller. The triboelectric charge polarities of the surfaces of the first and second rollers when the surfaces are triboelectrically charged by contact with the transfer material differ from each other.
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Inventors:
Yoshiaki Sato
Tetsuichiro Fujimoto
Hiromitsu Kumada
Takeshi Ogawa
Tetsuichiro Fujimoto
Hiromitsu Kumada
Takeshi Ogawa
Application Number:
JP2016092811A
Publication Date:
December 02, 2020
Filing Date:
May 02, 2016
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G21/00
Domestic Patent References:
| JP2002311669A | ||||
| JP2006030333A | ||||
| JP2007031145A | ||||
| JP2013076877A | ||||
| JP2004299810A | ||||
| JP2006171461A | ||||
| JP9249325A | ||||
| JP8314344A | ||||
| JP2008143647A |
Foreign References:
| US20060029446 | ||||
| US20130084096 |
Attorney, Agent or Firm:
Kentaro Kurahashi
Akira Kurahashi
Akira Kurahashi