Epson AcuLaser C9200N Service Manual page 88

EPSON AcuLaser C9200N
PAPER LIFTING MOTION CONTROL
When Tray is slid in
When the Lift-Up Sensor (PC7-PC) of the Optional Cassette is
unblocked (OFF) with the Optional Cassette being closed, the Lift-Up
Motor (M3-PC) of the Optional Cassette will rotate to start lifting up
the Paper Lifting Plate.
When the Lift-Up Sensor (PC7-PC) of the Optional Cassette is blocked
(ON) after the Paper Lifting Plate starts moving up, the Lift-Up Motor
(M3-PC) of the Optional Cassette will stop to finish lifting the Paper
Lifting Plate.
Lift-up Motor (M3-PC)
Figure 2-81. Paper lifting motion control of the Optional Cassette
Timing for Motion
Set Sensor (PC2-PC)
Lift-up Sensor (PC7-PC)
Lift-up Motor (M3-PC)
OPERATING PRINCIPLES
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Lift-up Sensor (PC7-PC)
Paper Lifting Plate
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(When Tray is slid in)
Slid in Lifting Completed
Operating principle of Option mechanism
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During a print cycle
When the amount of paper decreases as the Unit keeps printing, the
Feed Roller will gradually come down to unblock the Lift-Up Sensor
(PC7-PC) of the Optional Cassette. The Lift-Up Motor (M3-PC) will
rotate again to lift up the Paper Lifting Plate.
When the Lift-Up Sensor (PC7-PC) is blocked (ON), the Lift-Up
Motor (M3-PC) of the Optional Cassette will stop to finish lifting the
Paper Lifting Plate.
The sequence of these operations is repeated to keep constant the
pressure between the Paper Take-up Roller and paper stack (paper
take-up pressure) regardless of the amount of paper still available for
use.
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Figure 2-82. Paper lifting motion control of the Optional Cassette (During a print cycle)
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Lift-up Sensor (PC7-PC)
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Revision D
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88
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