Lexmark X4850 User's Guide (Mac) - Page 71
Adjusting the brightness of an image, Cropping photos using the software, Reduce Background Noise
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5 From the Settings tab: • Select a preset scan setting corresponding to your document. • If you are not satisfied with a preset setting, customize the scan settings by adjusting color depth and resolution, and choosing a descreening option if you need to remove wavy patterns from images scanned from magazines or newspapers. • Reduce background noise, if necessary. Select Reduce Background Noise, and move the slider to adjust the level of noise reduction. 6 From the Adjustments tab: • Adjust the brightness, contrast, and gamma (color correction curve). Move the sliders to adjust the levels. • Sharpen the image. Move the slider to adjust sharpness of your image. • Invert colors. Select Invert Colors to reverse the colors of your image. The effect is similar to that of a film negative. Related topics: • "Customizing scan settings from the Scan dialog" on page 42 • "Adjusting the brightness of an image" on page 45 Adjusting the brightness of an image 1 From the Finder desktop, double-click the Lexmark 4800 Series folder. 2 Double-click the Lexmark 4800 Series Center icon. 3 From the All-In-One Center, click Preview/Edit to open the Scan dialog. 4 Click to open the Scan Settings drawer. 5 Select the Adjustments tab. 6 From the Brightness area, move the slider to lighten or darken the image. Related topics: • "Customizing scan settings from the Scan dialog" on page 42 • "Adjusting color settings when scanning" on page 41 Cropping photos using the software You can use the Auto-crop feature to highlight certain focal points or to show only a specific portion of an image. 1 From the Finder desktop, double-click the Lexmark 4800 Series folder. 2 Double-click the Lexmark 4800 Series Center icon. 3 From the All-in-One Center dialog, click Preview/Edit. 4 Select Auto-crop sensitivity. Note: Selecting Auto-crop sensitivity automatically selects the area to be scanned. 5 If you are satisfied with the cropped image, click . Working with photos 71