How To Set The Resolution - Canon MX450 Series Online Manual

Resolution
The data in the image you have scanned is a collection of dots carrying information about brightness and
color. The density of these dots is called "resolution", and resolution will determine the amount of detail
your image contains. The unit of resolution is dots per inch (dpi). Dpi is the number of dots per inch (2.5
cm).
The higher the resolution (value), the more detail in your image; the lower the resolution (value), the less
detail.

How to Set the Resolution

You can set the resolution in the following screens.
• IJ Scan Utility
Resolution on the
• ScanGear (Scanner Driver)
Output Resolution in Output Settings on the Advanced Mode tab
Appropriate Resolution Settings
Set the resolution according to the use of the scanned image.
Item Type
Color photo
Black and white photo
Text document
(document or magazine)
Important
If you double the resolution, the data size of the scanned image quadruples. If the file is too large, the
processing speed will slow down significantly, and you will experience inconvenience such as lack of
memory. Set the minimum required resolution according to the use of the image.
Note
(Scanning from a Computer) tab of the Settings dialog box
Use
Copying
(Printing)
Creating a postcard
Saving to a computer
Using on a website or
attaching to e-mail
Saving to a computer
Using on a website or
attaching to e-mail
Copying
Attaching to e-mail
Scanning text using OCR
Color Mode
Color 300 dpi
Color 300 dpi
Color 300 dpi
Color 150 dpi
Grayscale 300 dpi
Grayscale 150 dpi
Color, Grayscale, or 300 dpi
Black and White
Color, Grayscale, or 150 dpi
Black and White
Color or Grayscale 300 dpi
Appropriate
Resolution