I.R.I.S. Readiris 14 for Mac User Guide - Manual (Page 41)

Section 4: Scanning and Opening Documents
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contain any useful content. In such cases it is recommended to use
the option Ignore Border Zones.
When you are done, close the Preferences window. The settings are
saved automatically.
S
CANNING
D
OCUMENTS
Readiris is Image Capture and Twain compliant. It supports almost
any flatbed and sheet-fed scanner, all-in-one device, digital camera
and scanner currently available.
Important note: Readiris Pro can scan 50 pages at a time.
It is not possible to scan or open more than 50 pages inside
a single Readiris project. Readiris Corporate can open an
unlimited number of pages inside a single project.
Before you begin: make sure your scanner is connected to your
computer and configured correctly. To do so, go to the Readiris
menu and click Preferences. If you see your scanner listed on the
Scanner tab it is correctly installed. If you don't see it, refer to the
topic Configuring your scanner.
To scan documents:
 Click Scan.
 A preview window opens, displaying the settings available for
your scanner.
Note that with TWAIN scanners these settings differ from
one scanner to another.