发明授权
US5710960A Point of use toner filtration 失效
使用墨粉过滤点

Point of use toner filtration
摘要:
An apparatus for filtering contaminants from marking particles is provided. The apparatus includes a conduit and a mover for moving the marking particles within the conduit. The apparatus also includes a screen positioned adjacent the conduit so that substantially all the marking particles discharged from the conduit pass through the screen.
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