发明名称 |
Developer supplying device, developing device, and image forming apparatus |
摘要 |
The developer supplying device supplies a supplementary developer including a toner and a carrier in a predetermined weight ratio. The developer supplying device includes a supplementary developer container containing the supplementary developer, and a supplementary developer feeding passage configured to feed the supplementary developer from the supplementary developer container to a developing device. The supplementary developer container is replaced when the supplementary developer is substantially exhausted. The developer supplying device further includes a carrier concentration determining device provided on the supplementary developer feeding passage to determine the concentration of the carrier in the supplementary developer fed through the supplementary developer feeding passage, and a residual supplementary developer amount estimating device configured to estimate the amount of the supplementary developer remaining in the supplementary developer container.
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申请公布号 |
US8515296(B2) |
申请公布日期 |
2013.08.20 |
申请号 |
US20100830744 |
申请日期 |
2010.07.06 |
申请人 |
TAKAHASHI YASUFUMI;RICOH COMPANY, LIMITED |
发明人 |
TAKAHASHI YASUFUMI |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
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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