Avision AV176+ (FL-1006S) - Manual (Page 16)

3.1.2 Loading Your Document in the ADF Paper Tray
Fanning Your Document
Standard paper size should feed easily through the scanner.
To avoid occasional paper jam when automatically feeding
multiple documents, loosen the paper before loading.
Document Feeding
1. Unfold the document feeder extension and the output
tray extension.
3-2