Canon printer PIXMA MG7520 User Manual
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7.Select the images you want to scan. Select the checkboxes of the images you want to scan.8. Click Scan. Scanning Multiple Documents in Whole Image View Follow these steps if thumbnails are not displayed correctly when previewed or if you want to scan multiple documents as a single image. Note • Positions of slanted documents are not corrected in whole image view. 1. After previewing images, click (Thumbnail) on the Toolbar. Switch to whole image view. Note • When the whole image is displayed, the icon changes to (Whole Image). 2. Set Destination . 3. Set Output Size according to purpose. Invert aspect ratio will be enabled when Output Size is set to anything but Flexible. Click this button to rotate the cropping frame. Click again to return it to the original orientation. 4. Adjust the cropping frames. 691
Adjust the size and position of the cropping frames on the preview image. You can also create two or more cropping frames. If an area is not specified, the document will be scanned at the document size (Auto Crop). If an area is specified, only the portion in the specified area will be scanned. Adjusting Cropping Frames (ScanGear) 5. Set Image corrections as required. 6. Click Scan. Areas framed by broken lines are scanned. Note • A response of ScanGear after scanning can be specified in Status of ScanGear dialog after scanning on the Scan tab of the Preferences dialog box. 692
Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) Correcting Images (Unsharp Mask, Reduce Dust and Scratches, Fading Correction, etc.) Adjusting Colors Using a Color Pattern Adjusting Saturation and Color Balance Adjusting Brightness and Contrast Adjusting Histogram Adjusting Tone Curve Setting Threshold 693
Correcting Images (Unsharp Mask, Reduce Dust and Scratches,Fading Correction, etc.) The Image Settings functions on the Advanced Mode tab of ScanGear (scanner driver) allow you to enhance the outline of the subjects, reduce dust/scratches, and correct faded colors when scanning images. Setting Items Click (Arrow) of a function and select an item from the pull-down menu. Important • Do not apply these functions to images without moire, dust/scratches, or faded colors. The color tone may be adversely affected. • Refer to "Image Settings " for details and precautions on each function. Note • Refer to "Scanning in Advanced Mode " to start the Advanced Mode tab of ScanGear and scan. Adjusting the image brightness and color tone Set Image Adjustment to Auto , Photo , Magazine , or Document according to the document type. NoneAuto 694
Reducing show-through in text documents or lightening the base color inrecycled paper, newspapers, etc. when scanning documents Set Reduce Show-through to ON . OFFON Sharpening slightly out-of-focus images Set Unsharp Mask to ON . OFFON Reducing gradations and stripe patterns Set Descreen to ON . OFFON 695
Note• Printed photos and pictures are displayed as a collection of fine dots. "Moire" is a phenomenonwhere uneven gradation or a stripe pattern appears when such photos or pictures printed with fine dots are scanned. Descreen is the function for reducing this moire effect. Reducing dust and scratches Set Reduce Dust and Scratches to Low , Medium , or High according to the degree of dust and scratches. NoneMedium Correcting photos that have faded with time or due to colorcast Set Fading Correction to Low , Medium , or High according to the degree of fading or colorcast. NoneMedium Reducing graininess Set Grain Correction to Low , Medium , or High according to the degree of graininess. NoneMedium Correcting shadows that appear between pages when scanning open booklets Set Gutter Shadow Correction to Low , Medium , or High according to the degree of shadows. NoneMedium 696
Adjusting Colors Using a Color PatternYou can preview color changes and reproduce natural colors by using the color pattern function in ScanGear (scanner driver)'s Basic Mode tab. Color Adjustment Correct colors that have faded with time or due to colorcast. "Colorcast" is a phenomenon where a specific color affects the entire picture due to the weather or ambient strong colors. Click an arrow in Color Adjustment to emphasize the corresponding color. Cyan & red, magenta & green, and yellow & blue are complementary color pairs (each pair produces a shade of gray when mixed). You can reproduce the natural colors of the scene by reducing the cast color and increasing the complementary color. It is recommended that you find a portion in the image where it should be white, and adjust the colors sothat the portion turns white. 698
Preview image appears in the center. Preview image colors change as you adjust them. Below is an example of correcting a bluish image. Since Blue and Green are too strong, click the Yellow and Magenta arrows to correct. BeforeAfter Note • Color adjustments are applied only to the cropping frames (scan areas) or the frame selected in thumbnail view. • You can select multiple frames or cropping frames by clicking them while pressing the Ctrl key. • You can also select a color tone from the color pattern displayed on the left of the Color Pattern screen. • You can also use this function to add a specific tint to an image. Increase the magenta to add a warm tint, and increase the blue to add a cool tint. 699
Adjusting Saturation and Color BalanceYou can brighten colors that have faded with time or due to colorcast by using (Saturation/Color Balance) in ScanGear (scanner driver)'s Advanced Mode tab. Note • Click Defaults to reset all adjustments in the current window. Saturation Adjust the image's saturation (vividness). You can brighten colors that have faded with time, etc. Move (Slider) under Saturation to the left to decrease the saturation (darken the image), and to the right to increase the saturation (brighten the image). You can also enter a value (-127 to 127). Saturation decreasedOriginal imageSaturation increased Note • The natural color tone of the original image may be lost if you increase saturation too much. Color Balance Adjust images that have a colorcast. "Colorcast" is a phenomenon where a specific color affects the entire picture due to the weather or ambient strong colors. 700