PAPER FEED, TRANSPORT, OUTPUT
SM 6-31 J001/J003
Detailed
Descriptions
6.7.5 PAPER TRANSPORT DRIVE
The vertical motor [A] drives the timing belt [B] that rotates the transport roller [C].
The rotation of the transport roller also drives the paper feed roller when the paper
feed clutch engages the feed roller (not shown above).
The edge of the vertical encoder [D], attached to the shaft of the transport roller,
passes through the gap of the vertical encoder sensor [E] as the encoder wheel
rotates. The vertical encoder sensor reads the coded slots on the rim of the vertical
encoder and sends this information to the CPU. The CPU uses these readings to
control the on/off timing of the transport belt and the paper feed roller:
Important
• Never attempt to remove the vertical encoder.
• When servicing the machine, work carefully to prevent scratching, breaking, or
bending the vertical encoder.
G707D938.BMP
[A]
[B]
[C]
[D]
[E]
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