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DRUM UNIT
10 May 1996
3.4 DRUM LUBRICATION MECHANISM
[B]
[B]
[A]
A172D501.wmf
[A]
A172D502.wmf
While the drum rotates, the cleaning brush [A] distributes lubricant from the
drum lubricant bar [B] to the surface of the drum.
This mechanism improves the copy quality, especially for letter areas in full
color mode, since it helps the toner transfer to the transfer belt. It also
improves the efficiency of drum cleaning.
To apply the lubricant to the surface of the drum evenly, a straight-bristle type
is used for the drum cleaning brush.
2-12
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