| 摘要 |
An improved device for preventing the scattering of developer applicable to a dry type electrophotographic copying apparatus, especially to portions thereof dealing with developer such as developing means, cleaning means, etc. The device includes a container for containing developing or cleaning mechanism and having an opening formed at a portion thereof, air communication ports disposed at the edge portions of the opening in the container so as to form an air flow for sucking any scattering developer, and filter means for catching and collecting the developer mixed with the air flow, thereby perfectly preventing the developer from scattering out of the developing or cleaning means.
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