5. DRIVE MECHANISM
5.1 Development Drive Mechanism
The development drive motor [B] rotates the development drive gear [A],
which drives the gears in the development unit.
The gears in the toner supply unit are driven by the toner supply roller drive
gear [C] when the toner supply clutch [D] activates.
All gears in the development unit are helical gears. These gears are quieter
than normal gears. The teeth of the development drive gear are chamfered
so they engage smoothly with the development roller gear [E] when the unit
is installed.
The main motor speed at 600 dpi is half that at 300/400 dpi. However, the
development motor speed is the same regardless of the resolution
(300/400/600 dpi). The main motor changes speed to produce the different
dpi resolutions, because this development unit mechanism is independent.
[E]
[A]
[B]
[D]
[C]
A195D550.wmf
A195
Copier
25 April 1997
DRIVE MECHANISM
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