Canon printer MAXIFY MB2020 User Manual
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Setting ThresholdYou can sharpen text in a document or reduce show-through in newspapers by adjusting the threshold level via (Threshold) in ScanGear (scanner driver)'s Advanced Mode tab. Note • This function is available when Color Mode is Black and White . • Click Defaults to reset all adjustments in the current window. Adjusting Threshold The brightness of color and grayscale images is expressed in a value between 0 and 255. However, in creating black and white images, all colors are mapped to either black (0) or white (255). "Threshold" is the borderline value that determines a color as black or white. Move (Slider) to the right to increase the threshold value and thus increase the black areas. Move the slider to the left to decrease the value and thus increase the white areas. You can also enter a value (0 to 255). 671
ScanGear (Scanner Driver) Screens Basic Mode Tab Advanced Mode Tab Input Settings Output Settings Image Settings Color Adjustment Buttons Preferences Dialog Box Scanner Tab Preview Tab Scan Tab Color Settings Tab 672
Basic Mode TabThis mode allows you to scan easily by following the on-screen steps.This section describes the settings and functions available on the Basic Mode tab. (1) Settings and Operation Buttons (2) Toolbar (3) Preview Area Note • The displayed items vary by document type and view. • The preview function is not available when scanning from the ADF (Auto Document Feeder). (1) Settings and Operation Buttons Select Source Photo (Color) Scan color photos. Magazine (Color) Scan color magazines. Document (Color) Scan documents in color. Document (Grayscale) Scan documents in black and white. Document (Color) ADF Simplex Scan documents from the ADF in color. Document (Grayscale) ADF Simplex Scan documents from the ADF in black and white. Document (Color) ADF Duplex (only for models supporting ADF duplex scanning) Scan both sides of documents from the ADF in color. Document (Grayscale) ADF Duplex (only for models supporting ADF duplex scanning) Scan both sides of documents from the ADF in black and white. 673
Important• Some applications do not support continuous scanning from the ADF. For details, refer to theapplication's manual. Note • When you select a document type, the unsharp mask function will be active. • When you select an option other than the ADF types, the image adjustment function which adjusts images based on the document type will also be active. • If you select Magazine (Color) , the descreen function will be active. Display Preview Image PreviewPerforms a trial scan. Note • When using the machine for the first time, scanner calibration starts automatically. Wait a while until the preview image appears. Destination Select what you want to do with the scanned image. Print Select this to print the scanned image on a printer. Image display Select this to view the scanned image on a monitor. OCR Select this to use the scanned image with OCR software. "OCR software" is software that converts text scanned as an image into text data that can be edited in word processors and other programs. Output Size Select an output size. Output size options vary by the item selected in Destination. 674
FlexibleAllows you to freely adjust the cropping frames (scan areas). In thumbnail view: Drag the mouse over a thumbnail to display a cropping frame. When a cropping frame is displayed, the portion within the cropping frame will be scanned. When no cropping frame is displayed, each frame is scanned individually. In whole image view: When no cropping frame is displayed, the entire Preview area will be scanned. When a cropping frame is displayed, the portion within the cropping frame will be scanned. Paper Size (L, A4, etc.) Select an output paper size. The portion within the cropping frame will be scanned at the size ofthe selected paper size. You can drag the cropping frame to enlarge/reduce it while maintaining the aspect ratio. Monitor Size (1024 x 768 pixels, etc.) Select an output size in pixels. A cropping frame of the selected monitor size will be displayed and the portion within the cropping frame will be scanned. You can drag the cropping frame to enlarge/reduce it while maintaining the aspect ratio. Add/Delete... Opens the Add/Delete the Output Size dialog box, in which you can specify custom output sizes. You can select this option when Destination is Print or Image display . In the Add/Delete the Output Size dialog box, you can specify multiple output sizes and save them at one time. Saved items will be registered to the Output Size list and can be selected, along with the predefined items. Adding: Enter Output Size Name , Width , and Height , then click Add. For Unit, you can select inches or mm when Destination is Print but you can only select pixels when Destination is Image display . The name of the added size appears in Output Size List. Click Save to save the items listed in Output Size List . Deleting: Select the output size you want to delete in Output Size List, then click Delete. Click Save to save the items listed in Output Size List. Important • You cannot delete predefined output sizes such as A4 and 1024 x 768 pixels . 675
Note• Save up to 10 items. • An error message appears when you enter a value outside the setting range. Enter a value within the setting range. Note • For details on whether or how the cropping frame is initially displayed on a preview image, refer to Cropping Frame on Previewed Images in " Preview Tab" (Preferences dialog box). Invert aspect ratio Available 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. Adjust cropping frames You can adjust the scan area within the Preview area. 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 cropping frame will be scanned. Adjusting Cropping Frames (ScanGear) Image corrections Allows you to apply corrections to images. Important • Apply Auto Document Fix and Correct fading are available when Recommended is selected on the Color Settings tab of the Preferences dialog box. Note • Available functions vary by the document type selected in Select Source. Apply Auto Document Fix Sharpens text in a document or magazine for better readability. Important • Scanning may take longer than usual when this checkbox is selected. • The color tone may change from the source image due to corrections. In that case, deselect the checkbox and scan. • Correction may not be applied properly if the scan area is too small. Correct fading Corrects and scans photos that have faded with time or have a colorcast. Reduce gutter shadow Corrects shadows that appear between pages when scanning open booklets. Important • For precautions on using this function, refer to "Gutter Shadow Correction ." Color Pattern... Allows you to adjust the image's overall color. You can correct colors that have faded due to colorcast, etc. and reproduce natural colors while previewing color changes. Adjusting Colors Using a Color Pattern 676
Important• This setting is not available when you select Color Matching on the Color Settings tab of the Preferences dialog box. Perform Scan Scan Starts scanning. Note • When scanning starts, the progress will be displayed. Click Cancel to cancel the scan. Preferences... Opens the Preferences dialog box in which you can make scan/preview settings. Close Closes ScanGear (scanner driver). (2) Toolbar You can adjust or rotate preview images. The buttons displayed on the Toolbar vary by view. In thumbnail view: In whole image view: (Thumbnail) / (Whole Image) Switches the view in the Preview area. (3) Preview Area (Rotate Left) Rotates the preview image 90 degrees counter-clockwise. • The result will be reflected in the scanned image. • The image returns to its original state when you preview again. (Rotate Right) Rotates the preview image 90 degrees clockwise. • The result will be reflected in the scanned image. • The image returns to its original state when you preview again. (Auto Crop) Displays and adjusts the cropping frame automatically to the size of the document displayed in the Preview area. The scan area is reduced every time you click this button if there are croppable areas within the cropping frame. 677
(Check All Frames) Available when two or more frames are displayed. Selects the checkboxes of the image in thumbnail view. (Uncheck All Frames) Available when two or more frames are displayed. Deselects the checkboxes of the image in thumbnail view. (Select All Frames) Available when two or more frames are displayed. Selects the images in thumbnail view and outlines them in blue. (Select All Cropping Frames) Available when two or more cropping frames are specified. Turns the cropping frames into thick broken lines and applies the settings to all of them. (Remove Cropping Frame) Removes the selected cropping frame. (Information) Displays the version of ScanGear and the current scan settings (document type, etc.). (Open Guide) Opens this page. (3) Preview Area This is where a trial image appears after you click Preview. You can also check the results of the settings (image corrections, color adjustments, etc.) made in " (1) Settings and Operation Buttons ." When (Thumbnail) is displayed on the Toolbar: Cropping frames are specified according to the document size, and thumbnails of scanned images are displayed. Only the images with the checkbox selected will be scanned. 678
Note • When multiple images are previewed, different outlines indicate different selection status. • Focus Frame (thick blue outline): The displayed settings will be applied. • Selected Frame (thin blue outline): The settings will be applied to the Focus Frame and Selected Frames simultaneously. You can select multiple images by clicking them while pressing the Ctrl key. • Unselected (no outline): The settings will not be applied. • Double-click a frame to zoom in on the image. Click (Frame Advance) at the bottom of the screen to display the previous or next frame. Double-click the frame again to return the display to its non-magnified state. When (Whole Image) is displayed on the Toolbar: Items on the Platen are scanned and displayed as a single image. All portions in the cropping frames will be scanned. Note • You can specify the cropping frame on the displayed image. In thumbnail view, you can only createone cropping frame per image. In whole image view, you can create multiple cropping frames. Adjusting Cropping Frames (ScanGear) 679