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REV.-A
3.3.3 Mechanism Operation
This section briefly describes paper loading by the cut sheet feeder.
Power is conveyed to the cut sheet feeder via the platen transmission gear which engages the platen
gear. The paper is caught between the paper holder and paper loading roller.
When loading the paper, the paper feed motor rotates in reverse so that the paper is sent out from the
hopper by the paper loading roller. The paper caught by the paper feed sub-roller and the idler on the
idle lever is sent to the paper guide. When the paper reaches the position where the paper is caught
by the platen, the paper feed motor rotates forward so that the paper is loaded by the platen and paper
feed roller. The combination of the gears makes the paper feed sub-roller always rotate in the same
direction (paper loading direction), egardless of the rotational direction (forward or reverse) of the paper
feed motor.
The hopper unit sends out cut sheets one by one using the paper holder which holds the paper against
the paper loading roller and the separation notches positioned at the left and right edges of the sheet.
Thick paper such as a envelope may not be fed correctly if it is held by the separation notches. Release
the separation notches using the separation notch release lever when using thick paper.
<Hopper>
Paper holder
Separation
Paper loading roller
notch
Hopper units
Paper loading
roller gear
Paper ejecting
roller gear
Belt
'"1t---ldle lever
:h:.---Paper feed sub-roller gear
Platen transmission gear
Platen gear
Platen gear
Figure
3-5.
Cut Sheet Feeder Operation
3-9
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