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The first time you use the Brother Twain driver, set it as default by choosing the Select Source. Afterwards, for each document you scan choose Acquire Image or select Scan. The scanner setup dialog box will appear. Scanning a Document into Your Macintosh G3, G4 or iMac 1 Insert the document face up in the ADF, or face down on the glass platen. 2 Adjust the following settings, if needed, in the scanner setup dialog box: Resolution Color Type Brightness Contrast Scanning Area 3 Click Start. When scanning is finished, the image will appear in your graphics application. PRINTER/Using the Brother MFC with a New Power Macintosh® G3, G4 or iMac™ / iBook™ 55 Settings in the Scanner Window Image Resolution Choose the scanning resolution from the Resolution pop-up menu. Higher resolutions take more memory and transfer time, but can achieve a finer scanned image. Color Type Black & White—Set the image Type to Black & White for text or line art. For photographic images, set the image type to Grey (Error diffusion) or True Grey. Grey (Error Diffusion)—is used for documents that contain photographic images or graphics. (Error Diffusion is a method for creating simulated grey images by placing black dots in a specific matrix instead of true grey dots.) True Grey—also is used for documents containing photographic images or graphics. This mode is more exact because it uses up to 256 shades of grey. It requires the most memory and longest transfer time. Colours: Choose either 8 Bit Color, which scans up to 256 colours or 24 Bit colour which scans up to 16.8 million colours. Although using 24 Bit Colour creates an image with the most accurate colours, the image file will be approximately three times larger than a file created with 8 Bit Colour. 56 Chapter 7 Scanning Area Set the Size to one of the following: Letter (8.5 x 11 inches) A4 (210 x 297 mm) Legal (8.5 x 14 inches) A5 (148 x 210 mm) B5 (182 x 257 mm) Executive (7.25 x 10.5 inches) Business Card (90 x 60 mm) Custom (User adjustable from 0.35 x 0.35 inches to 8.5 x 14 inches) After you choose a custom size, you can adjust the scanning area. Click and hold the mouse button as you drag the mouse to crop the image. Width: Enter the width of the custom size. Length: Enter the length of the custom size. Business Card Size To scan business cards, select the Business Card (60 x 90 mm) size setting and place the business card at the centre of the scanner glass. When scanning photographs or other images for use in a word processor or other graphics application, it is a good idea to try different settings for the Contrast, Mode and Resolution to determine which settings look best. Using the Brother MFC with a New Power Macintosh® G3, G4 or iMac™ / iBook™ 57 PRINTER/ Adjust Image Brightness Adjust the brightness settings to obtain the best image. The Brother TWAIN Scanner driver offers 100 brightness settings (-50 to 50). The default value is 0, representing an “average” setting. You can set the brightness level by dragging the slidebar to the right to lighten the image or to the left to darken the image. You can also type a value in the box to set the setting. Click OK. If the scanned image is too light, set a lower brightness value and scan the document again. If the image is too dark, set a higher brightness value and scan the document again. Contrast The contrast setting is adjustable only when you have selected one of the grey scale settings, but it is not available when Black & White is selected as the grey scale. Increasing the contrast level (by dragging the slidebar to the right) emphasizes dark and light areas of the Image, while decreasing the contrast level (by dragging the slidebar to the left) reveals more detail in grey areas. Instead of using the slidebar, you can type a value in the box to set the contrast. Click OK. 58 Chapter 7 PreScanning an Image PreScanning allows you to scan an image quickly at a low resolution. A thumbnail version will appear in the Scanning Area. This is only a preview of the image, so you can see how it will look. The PreScan button is used to preview an image for cropping any unwanted portions from the image. When you are satisfied with the preview, click Start to scan the image. 1 Insert the document face up in the ADF, or face down on the glass platen. 2 Click PreScan. The entire document will be scanned into your Macintosh G3 or iMac and will appear in the Scanning Area of the Scanner dialog box: 3 To scan a portion of the prescanned image, click and drag the mouse to crop it. 4 Insert document face up in the ADF again, if you use the ADF in Step 1. 5 Adjust the settings for Resolution, Color Type (Grey Scale), Brightness, Contrast, and Size in the Scanner Setup dialog box, as needed. 6 Click Start. This time only the selected area of the document will appear in the Scanning Area. 7 Use your application, software for editing and refining the image as usual. PRINTER/Using the Brother MFC with a New Power Macintosh® G3, G4 or ...