| 摘要 |
PURPOSE:To ensure an excellent cleaning effect, by providing a scraper member to sile up the magnetic developer on a magnetic collecting/carrying means toward an image carrier. CONSTITUTION:When a blade 11 has no contact to the surface of an image carrier, a free end 161 of a scraper member 16 is separated from a magnet roller 12. Then the end 161 comes near to or touch the surface of the roller 12 when the blade 11 is set at the position of a cleaning action. The member 16 contains plural openings at the central connection area reaching the blade attaching part from the end 161. At the same time, the developer, etc. that is cleaned with polishing by the cleaning blade 11 is collected on the surface of the roller 12 through the above-mentioned openings. Then the excessive developer is removed by a scraper 15.
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