2-28
Scanning Basics
2. In the Image Type dialog box, select
None
for
B/W Option
,
and then click
OK
.
3. In the Manual mode window, click the
Full Preview
button.
Then click the
Image Controls
button to display the Image
Controls dialog box.
4. Use the
Threshold
slider to change the threshold value,
monitoring the results of your changes in the Preview
window. Adjusting the threshold value can make it easier for
OCR to recognize characters.
Image Controls button
Image Controls dialog box
Summary of Contents for Series Perfection 1240U Series
Page 2: ... 2 ...
Page 8: ... 8 ...
Page 30: ...1 20 Using the Buttons ...
Page 50: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Page 60: ...2 30 Scanning Basics ...
Page 94: ...3 34 Understanding EPSON TWAIN Features ...
Page 102: ...4 8 Calibrating Your System ...
Page 146: ...6 30 Maintenance and Troubleshooting ...
Page 160: ...A 14 Technical Specifications ...
Page 161: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...