OKIDATA ML393C Plus, Руководство по обслуживанию

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Service Guide ML393/ML393CPlus
Chapter 2 Principles of Operation
2.2.04 Paper Feed
Paper feeding is performed by turning the platen and the pin tractor, which is driven by the line feed pulse
motor.
The paper feed mechanism consists of the items listed below.
Pulse Motor (with gears)
Idler Gear
Change Spring
Change Gear
Platen
Tractor Feed Unit
Paper Pressure Guide
Friction Feed
When the release lever is set to the SHEET FEED position, the change gear is disengaged from the
tractor gear. At the same time, the release lever applies pressure to push the pressure rollers against the
platen, allowing paper to be fed.
Tractor Feed
When the release lever is set to the TRACTOR FEED position, the release lever allows the reset spring to
push the change gear toward the tractor gear. At the same time, the release lever pushes the pressure
rollers away from the platen, allowing paper to be fed by the tractors.