Chapter 6
6-3
6.2 Basic Operation
6.2.1 Operation Mode
0019-8972
Single-sided continuous pickup
The following shows the operation sequence when two sheets of single-sided documents are set on the document tray.
1) The ADF paper sensor (SR718) detects the document loaded on the document tray, and sends a signal indicating "paper exists" to the main controller.
2) The ADF pickup motor (M13) rotates forward.
Driven by the ADF pickup motor, the ADF pickup roller moves down until it reaches the document, and then feeds the document.
In this condition, one sheet of the upper-side document is picked up by the ADF separation roller and ADF separation pad.
F-6-4
3) When the lead edge of the document reaches the ADF feed roller, the feed speed becomes approximately 1.2 times (which is the same as the reading speed).
If no 'stop' request is sent from the main controller when the lead edge of the document reaches in front of the reading position, reading operation starts.
F-6-5
4) When reading is completed, the document is delivered to the ADF delivery tray by the ADF delivery roller.
When a specified period of time elapses after the trailing edge of the first page passes through the ADF separation roller, the second page is picked up by the
ADF pickup roller.
Because the ADF feed roller rotates faster than the ADF separation roller, a specified interval is secured between the first and second pages.
F-6-6
M13
SL5016
SR718
ADF separation roller
ADF separation pad
ADF pickup roller
M13
ADF feed roller
Reading position
M13
ADF feed roller
ADF delivery roller
ADF delivery tray
ADF separation roller
ADF pickup roller
Содержание iR C1020 Series
Страница 1: ...Sep 8 2008 Service Manual iR C1020 Series iR C1021i ...
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Страница 18: ...Contents ...
Страница 19: ...Chapter 1 Introduction ...
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Страница 57: ...Chapter 2 Installation ...
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Страница 73: ...Chapter 3 Basic Operation ...
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Страница 81: ...Chapter 4 Main Controller ...
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Страница 97: ...Chapter 5 Original Exposure System ...
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Страница 113: ...Chapter 6 Original Feeding System ...
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Страница 133: ...Chapter 7 Laser Exposure ...
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Страница 143: ...Chapter 8 Image Formation ...
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Страница 181: ...Chapter 9 Pickup and Feed System ...
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Страница 345: ...Chapter 18 Service Mode ...
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Страница 389: ...Chapter 19 Upgrading ...
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