- CANON ELECTRONICS INC. Scanner User Manual

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Chapter 8 ISIS/TWAIN Driver Settings
UPC
Detect UPC-A/UPC-E barcodes.
[Enable] Check Box
Detect and read UPC-A/UPC-E barcodes.
[Addon]
Set how to handle addon codes included in barcodes.
Off: Ignore addon codes.
On: Read addon codes.
Auto: Detect and read addon codes automatically.
[Checksum]
This check box is enabled when [Checksum] is selected,
and outputs the read checksum.
[Output Header]
Select this check box to output header codes.
Hint
• To detect barcodes with and without add-on codes at the
same time, select [Auto] for the addon setting before
scanning.
• When the barcode type is unknown, enable detection of all
types (Auto Detect), and deselect the Checksum boxes before
scanning.
[Pre Imprinter] and [Post Imprinter] Tab
Sheets
The [Pre Imprinter] tab sheet is displayed when an optional
pre-imprinter unit is installed, and allows you to imprint any
character string or counter on to documents before scanning.