User's Guide Scanner GT-2500
Table Of Contents
- Copyright and Trademarks
- Contents
- Safety Instructions
- Overview of Your Scanner Features
- Guide to the Scanner Parts
- Placing Originals on the Scanner
- Scanning Using the Automatic Document Feeder
- Scanning Using the Document Table
- Using the Scanner Features
- Using the Optional Network Image Express Card
- Maintenance
- Troubleshooting
- Reading the Scanner Lights
- Scanner Problems
- Scanning Software Problems
- Scan Quality Problems
- The Edges of Your Document Are Not Scanned
- You See Only a Few Dots in Your Scanned Image
- A Line of Dots Always Appears in Your Scanned Images
- Straight Lines in Your Image Come Out Crooked
- Your Image is Distorted or Blurred
- Colors Are Patchy or Distorted at the Edges of Your Image
- Your Scanned Image is Too Dark
- An Image on the Back of Your Original Appears in Your Scanned Image
- Ripple Patterns Appear in Your Scanned Image
- Characters Are Not Recognized Well When Converted into Editable Text (OCR)
- Scanned Colors Differ from the Original Colors
- Automatic Document Feeder Problems
- Optional Network Image Express Card Problems
- Uninstalling Your Scanning Software
- Where To Get Help
- Technical Specifications
- Index

60 Scanning Using the Automatic Document Feeder
Note:
❏ To view the red, green, and blue levels at particular points in your
preview image as you make adjustments, click the densitometer
icon in the preview window and click an image area. See EPSON
Scan help for details.
❏ Certain settings may not be available, or may be automatically
selected, depending on the type of image you are previewing and
other settings you have selected.
❏ You can customize how certain EPSON Scan settings behave by
clicking the Configuration button and changing settings in the
window that appears. See EPSON Scan Help for details.
❏ To undo any image quality adjustments you make to the preview
image, click the Reset button (if available), turn off the setting, or
preview your image again.
Tone Correction Provides a graphical interface for adjusting tone
levels individually. For advanced users only.
Click the Tone Correction button to use the
Tone Correction settings.
Color Palette Provides a graphical interface for adjusting
mid-tone levels, such as skin tones, without
affecting the highlight and shadow areas of the
image. For advanced users only.
Click the Color Palette button to use the
Color Palette settings.
Threshold Adjusts the level at which the black areas in text
and line art are delineated, improving text
recognition in OCR programs. (Available only
when you select Black & White as the Image Type
setting.)










