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2. ROLLER FUNCTION
This copier uses an
utilizes three rollers.
- Pick-up Roller -
The pick-up roller [A] is not in contact with the paper stack before it starts
feeding paper.
drops down and feeds the top sheet between the feed [B] and the reverse
rollers [C]. At almost the same time that the paper's leading edge arrives at
the feed roller, the pick-up roller lifts off the paper stack so that it does not in-
terfere with the operation of the feed and reverse rollers. The feed and
reverse rollers then take over the paper feed process.
- Feed and Reverse Rollers -
There is a one-way bearing inside the feed roller so it can turn only in one
direction. The reverse roller is driven in the opposite direction to the feed
roller. The reverse roller, however, is driven through a slip clutch (torque
limiter clutch) which allows it to turn in either direction depending on the fric-
tion between the rollers. A spring keeps the reverse roller in contact with the
feed roller.
Shortely after the Start key is pressed, the pick-up roller
1 Nov. '87
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