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Deskew sensor: Detects the top of the page as it enters the deskew. rollers
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Path sensor 1: Detects the top of the page as it approaches the ADF glass.
ADF paper path
The ADF feeds documents past the ADF glass for scanning.
Figure 1-51 ADF path for single-sided documents
1 Separation pad 5 ADF input tray
2 Pickup roller 6 Delivery/duplex-feed rollers
3Stack stop 7ADF glass
4 Pre-pick roller 8 ADF feed rollers
For two-sided documents, the delivery rollers reverse the direction of each page to feed the second side
of the document past the ADF glass.
66 Chapter 1 Theory of operation ENWW
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