Panasonic KV-S2065L Service Manual

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Contents

Panasonic KV-S2065L Service Manual Manual pdf 17 page image

6 MECHANICAL FUNCTION6.1. Paper Feed Mechanism1. When PC outputs the scanning-start command, the Hopper lifts until the paper contacts the Paper Feed Roller.2. The Conveyor Motor is transferred to the rotation of the Conveyor Rollers, Drive Rollers and Exit Roller.3. The Paper Feed Motor drives the Paper Feed Roller, the Separation Roller, and the Retard Roller. The Paper Feed Roller andthe Separation Roller always rotate in the paper feed direction ( ). The Retard Roller rotates against the paper feeddirection ( ) when there is more than one sheet between the Separation Roller and the Retard Roller. On the other handwhen there is only one sheet or there no sheet, the Retard Roller rotates in the same direction as the Feed.Note:The scanner has a multiple sheet feed mode that keeps the Retard Roller separated from the Separation Roller whenscanning multiple feeds.4. When the leading edge of a sheet is passed into the paper feed route by rotating the Paper Feed Roller, the paper passesthrough the Separation Roller and Retard Roller. Because the Retard Roller is rotating against the feed direction, inadvertentmultiple feeds are prevented.5. When the Starting Position Sensor detects the top of the first page, the Paper Feed Motor, the Paper Feed Roller, theSeparation Roller, and the Retard Roller are stopped. When the top of the paper reaches the Front-side Scanning Start-position, activating the Starting Position Sensor, CIS starts to scan the data on the page. And the Back-side Scanning Startprocess is same as Front-side Scanning.6. When the Waiting Sensor detects the end of the first page, the Paper Feed Motor starts to rotate again. As a result, the secondpage is passed into the paper feed route. The process to separate the following pages from the second page is the same asthe first item (3) and (4).7. When the Waiting Sensor detects the top of the second page, the Paper Feed Motor stops to keep this page between theWaiting Sensor and Driving Roller 1.8. When the PC outputs the scanning-start command to scan the second page, The Paper Feed Motor drives the paper into thepaper feed path again.Step (5) to (8) are repeated for each subsequent paper feed.9. Front or Back Exit can be selected using the Paper Path Selector.17KV-S2065L / KV-S2065W&RQILGHQWLDO .0( 3ULQWHU ',9 &6 +3