Select resolution for scanning originals.
Select [100 dpi], [200 dpi], [300 dpi], [400 dpi], or [600 dpi] as the scanning resolution.
Press [Options] , and then select the setting items using the [ ] or [
] key.
Select [Send Options]
Press [OK]
Select [Resolution]
Press [OK]
Select a resolution
Press [OK]
Press [Escape] twice