You can adjust the appearance of the scanned image or text by increasing the resolution or adjusting the image quality.
Change the resolution, and then scan again.
Set the appropriate resolution for the purpose of your scanned image.
Check that Text Enhancement is selected.
Document Capture Pro (Windows)/Document Capture (Mac OS X): Click Scan Settings > Text Enhancement.
Epson Scan 2: Click the Advanced Settings tab > Text Enhancement.
When Black & White is selected as the Image Type:
Depending on the condition of your scanned image, click Settings in the Epson Scan 2 window and try setting a lower level for Edge Enhancement or a higher level for Noise Reduction Level.
If you are scanning in JPEG format, try changing the compression level.
Document Capture Pro (Windows)/Document Capture (Mac OS X): Click Option on the Save Settings screen, and then change the image quality for JPEG.
Epson Scan 2: Click Image Format > Options, and then change the Image Quality.