Avision AD8120U, User Manual

Page: 105 / 144

User’s Manual
4-73
Choice for barcode zone on a page:
All Top Bottom Left Right
Bottom
Right
Bottom
Left
Top Right Top Left
Note:

Recommended resolution: 200~600 dpi for regular
barcode, 300~600 dpi for QR code

Skewed barcodes may not be recognized correctly.

Using the same sheet repeatedly may decrease the
recognition accuracy due to accumulated dirt on the sheets.
If the sheet is not recognized correctly or gets smudged,
replace it with a new sheet.
Patch code Detection:
Check [Enable] to detect patch codes and notify the software
application for advanced processing.
A patch code is a pattern of parallel, alternating black bars and
spaces (i.e. a barcode) that is printed on a document. Patch
code sheet is most commonly used as a document separator in
a stack of document.