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DEVELOPMENT
4.3 CROSSMIXING
[B]
[A]
A176D556.wmf
[A]
This copier uses a standard cross-mixing mechanism to keep the toner and
developer evenly mixed. It also helps agitate the developer to prevent
developer clumps from forming and helps create the triboelectric charge.
The developer on the turning development rollers [A] is split into two parts by
the doctor blade [B]. The part that stays on the development rollers forms the
magnetic brush and develops the latent image on the drum. The part that is
trimmed off by the doctor blade goes to the backspill plate [C].
As the developer slides down the backspill plate to the agitator [D], the mixing
vanes [E] move it slightly toward the rear of the unit. Part of the developer
falls into the auger inlet and is transported to the front of the unit by the auger
[F].
The agitator moves the developer slightly to the front as it turns, so the
developer stays level in the development unit.
[C]
[B]
[E]
[F]
[D]
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15 July 1996
[C]
[E]
[F]
[D]
A176D557.wmf
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