Drive Mechanism - Ricoh FT8680 Service Manual

31 July 1995

6.2 DRIVE MECHANISM

[G]
[D]
All the development unit parts, except the toner supply brush, are driven by
the development drive motor (dc motor).
The toner supply brush is driven by the toner supply motor.
The development motor drives the development drive gear through two
timing belts. The rotation is transferred as follows:
Development
Drive Gear [A]
Since reversed toner mixing vane rotation could damage something, a
one-way clutch is installed to the mixing vane drive gear.
Idle Gear [C]
Auger
Drive
Gear [B]
Timing Belt [E]
Idle Gear
Paddle Roller [G]
2-39
[E]
[B]
[C]
Upper/Lower
Dev. Roller [D]
Toner Mixing Vane
Drive Gear [F]
DEVELOPMENT
[F]
[A]
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