Hi geo2,
To enlarge a scan, the IJ Scan Utility can be used. To scan and enlarge, please use the Scangear button:
1. Click on the Windows Start button.
2. Click on the Canon Utilities folder and then the IJ Scan Utility.
3. Click the Scangear button.
4. Click the Advanced mode tab in the upper right hand corner.
5. Next to Output Size, select the desired size.
6. Click Scan at the bottom.
For more information regarding this, please use the following link:
http://ugp01.c-ij.com/ij/webmanual/ScanGear/W/MFP/20.0/EN/SG/sg-904.html
