Canon PIXMA MG4200 Series On-Screen Manual page 712

Important
To select Black and White, deselect the Compress scanned images upon transfer checkbox,
then set an option other than JPEG/Exif in Data Format of Save Settings.
Paper Size
Select the size of the item to be scanned.
When you select Custom, a screen in which you can specify the item size appears. Select a Unit,
then enter the Width and Height, and then click OK.
Note
Click Defaults to restore the specified settings to the default settings.
Resolution
Select the resolution of the item to be scanned.
The higher the resolution (value), the more detail in your image.
Resolution
Compress scanned images upon transfer
Compresses scanned images when transferring them to a computer. This is useful when your scanner
or printer and computer are connected with a slow interface such as USB1.1 or a network.
Image Processing Settings
Click (Right Arrow) to set the following.
Note
When Color Mode is Black and White, Image Processing Settings is not available.
Sharpen outline
Emphasizes the outline of the subjects to sharpen the image.
(2) Save Settings Area
File Name
Enter the file name of the image to be saved. The date and 4 digits are appended to the set file name
in the "_20XX0101_0001" format.
Data Format
Select the data format in which to save the scanned images.
You can select JPEG/Exif, TIFF or PNG.
Settings...
Click to display the Data Format Settings dialog in which you can set the quality of the images to be
saved, keyword search of PDF files and their compression type, and the data format in which to save
images scanned with Auto Scan.
Data Format Settings Dialog
Save in
Displays the folder in which to save the scanned images. To change the folder, specify the destination
folder in the dialog displayed by selecting Add... from the pop-up menu.