4.3 FRICTION BELT DRIVE MECHANISM
The feed-in motor [A] drives the friction belt [B] through timing belts and
gears. The one-way bearing allows the belt to rotate in the direction shown
only when the feed-in motor is rotating counterclockwise. (The feed-in motor
rotates counterclockwise when the original is passing over the registration
sensor, and only the pull-out rollers are rotating to feed the paper to the
exposure glass.)
As a result of this operation, the part of the friction belt that contacts the feed
roller [C] or the original changes. This prevents multiple feeding or causing
originals to become dirty.
The reverse movement of the friction belt will not affect the next original
because the pressure of the press lever holds the originals in place.
[A]
[C]
[B]
AUTO REVERSE
DOCUMENT
FEEDER A548
STM 3-7 A156/A160/A162
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