发明名称 |
TRANSFER DEVICE, IMAGE FORMING APPARATUS AND CONTROL METHOD OF TRANSFER DEVICE |
摘要 |
A transfer device includes: a transfer section for transferring a toner image on an image carrier onto a sheet passing through a nip portion which is formed between the transfer section and the image carrier; an application section for applying a voltage to the transfer section; and a control section for controlling the application section, wherein the control section controls the application section to apply a voltage having an opposite polarity to a transfer polarity to the transfer section since a leading edge of the sheet in a conveyance direction advances into the nip portion until a predetermined non image area of the sheet has passed through the nip portion, and then switch to apply a voltage having the transfer polarity from the voltage having the opposite polarity to the transfer section while a non image area of the sheet passes through the nip portion.
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申请公布号 |
US2009290889(A1) |
申请公布日期 |
2009.11.26 |
申请号 |
US20090469549 |
申请日期 |
2009.05.20 |
申请人 |
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. |
发明人 |
TSUKAMURA SHINICHI;OKANO NOBUHIKO |
分类号 |
G03G15/16 |
主分类号 |
G03G15/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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