CamScanner provides you multi choices for scanning on the Scan Settings page. And you can set the default options based on the type of files frequently scanned.

 Choose the “Auto Crop Image” to auto-crop image under Batch Scan mode
 Tap “Enhance Mode” to choose the default image processing mode
 Turning on the “Use System Camera” will disable the Batch Scan mode.
 Choose “Auto Save to Album” to save the scans to ablum automatically
 Choose “High-quality Scan” to improve the scan effect (Paid version Only)