Canon 3301B002 On-Screen Manual page 655

Resolution
Example of Appropriate Resolution when Printing to Scale
The scanning resolution is automatically set so that the value set in Output Resolution will be the
resolution of the scanned image. If you set Output Resolution to 300 dpi and scan at twice the size, the
document will be automatically scanned at 600 dpi, and the resolution of the scanned image will be 300
dpi. You can print the document with sufficient quality using a 600 dpi color printer.
When Printing L Size (8.9 cm x 12.7 cm) Photos at Twice the Size
Document resolution: 300
dpi
Output resolution: 300 dpi
Scale: 200%
Appropriate Resolution Settings
Set the resolution according to the use of the scanned image.
For displaying on a monitor: 150 dpi
For printing: 300 dpi
When Output Size is set to Flexible in ScanGear's Advanced Mode tab (Select Source is Platen and the
scale is 100%):
Document Use
Color photo Copying
(Printing)
Creating a postcard
Saving to a computer
Using on a website or attaching
to e-mail
Black and white Saving to a computer
photo
Using on a website or attaching
to e-mail
Text document Copying
Attaching to e-mail
Important
If you double the resolution, the file size 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
Although you can change Output Resolution in ScanGear (scanner driver), it is recommended that
you scan at the default value.
Scan at twice the size
Actual scanning resolution: 600
dpi
Color Mode
Color
Color
Color
Color
Grayscale
Grayscale
Color, Grayscale or Black
and White
Color, Grayscale or Black
and White
Image resolution/printing resolution:
300 dpi
Output
Resolution
300 dpi
300 dpi
75 dpi - 300 dpi
75 dpi - 150 dpi
75 dpi - 300 dpi
75 dpi - 300 dpi
300 dpi
300 dpi
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