Lifter Control - Canon Cassette Feeding Unit-AM1 Service Manual

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Lifter Control

Paper inside a cassette is lifted up by the Lifting Plate.
The Lifting Plate is lifted up by rotating the Cassette 3,4 Lifter Motor (M101).
When paper surface reaches the position of the Pickup Roller, the Cassette 3/4 Paper Surface Sensor is turned ON (PS107/
PS108) to detect that the paper has reached the pickup position.
Lifter Error Detection
When the Cassette Paper Surface Sensor is not turned ON although the Cassette Lifter Motor is driven, an alarm is issued due
to error in pickup assembly.
However, at first and second failure of paper surface detection, Trailing Edge Guide Plate error is displayed on the Control Panel
to prompt the user to open and then close the cassette.
If paper surface detection fails for 3 consecutive times, no paper is displayed for the cassette and an alarm is issued.
While an alarm has occurred, the corresponding cassette cannot be used.
<Related alarm codes>
• 04-0003: Cassette 3 Lifter error
• 04-0004: Cassette 4 Lifter error
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2. Technology

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