Read Panasonic KV-S1045C Service Manual online
16
6 MECHANICAL FUNCTION
6.1.
Paper Feed Mechanism
Fig. 6.1
1. When the document is set on the Feed Tray, and is detected by the Paper Sensor, the scanning command from the PC
will start the Conveyor Motor, which will rotate the Paper Feed Roller, Conveyor Roller, and Exit Roller
in the direction of the arrows.
will start the Conveyor Motor, which will rotate the Paper Feed Roller, Conveyor Roller, and Exit Roller
in the direction of the arrows.
2. When the document enters the separation section inside the paper feed section, the Double-feed Prevention Roller
(supported by a shaft fixed via a torque limiter) exerts force onto the document, which depends on the set torque.
When paper feed performed continuously, the 1st document is separated from the 2nd or more documents by this force, and
is fed to the scanning section.
If a double-feed occurs when double-feed detection mode has been set in the scanning software, the scanner will stop the
scanning process.
3. When the leading edge of the document advances to the Conveyor Roller position, the document is conveyed at a
If a double-feed occurs when double-feed detection mode has been set in the scanning software, the scanner will stop the
scanning process.
3. When the leading edge of the document advances to the Conveyor Roller position, the document is conveyed at a
speed that is 2.6 times as fast as the speed of the Paper Feed position.
4. When the leading edge of the document pushes down the Starting Sensor’s arm, the leading edge is detected, and
scanning will start after a certain interval.
5. When the trailing edge of the document passes through the separation section, the continuous rotation of the Paper Feed
Roller during scanning, enables the next document to be conveyed.
(A difference in the rotation speeds of the Conveyor Roller and Paper Feed Roller creates a distance between the1st document
and the 2nd.)
6. The steps 2 to 5 above are repeated.
7. When the Paper Sensor detects no further documents, and the Starting Sensor detects the trailing edge of the document,
the Conveyor Motor will stop rotating after a certain interval to end the scanning sequence.
Note:
When the scanner’s buffer becomes full, the scanner stops to prevent buffer overflow, while allowing the data to
When the scanner’s buffer becomes full, the scanner stops to prevent buffer overflow, while allowing the data to
be transferred to the PC continuously. When enough free buffer space is secured again, the scanner
resumes the scanning process.
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