User manual EPSON PERFECTION 4990 REFERENCE GUIDE

[. . . ] · Check if the printer is correctly installed and turned on before using the "Scan to Printer" function. Click the ous page. Click the button to jump to the next page, the button to the previ- button to jump to the first page. Quick Start Scanning with the Scanner Buttons Your scanner has three buttons to start working with EPSON Scan Tool; Scan, Document Copy, Photo Copy. Note: Press the Scan button to save your scanned image as a file in a certain location in your PC. Press the Photo Copy button to scan the Photo. Using the Document Copy or Photo Copy Button Pressing the Document Copy or Photo Copy button will send the scanned image to a printer. [. . . ] (This mode is disabled if you set the image type to button to enter Color Wizard mode. (This mode is disabled if you set the image type to line art and grayscale. ) Click the button to enter Standard mode. Color Wizard Mode This mode consists of two windows, five tabs and some buttons. All items in the five tabs will automatically change according to the items you select. You also can shift to two other kinds of modes: Color Matching and Standard Mode. Note: The settings in Color Wizard mode will suppress all settings in Standard Mode. The Original window in this mode shows the primary image, while the Effected window displays the change effect. Otherwise, you can click DENSITY TAB This tab allows you to adjust the density of scanned image. If you input a value into the edit box, EPSON Scan Tool will change the position of the scroll bar and refresh the effect. EXPOSURE TAB There are three options that allow you to change the exposure effect of the image: Under: Darkens the image. Over: Brightens the image. CONTRAST TAB Here you can adjust the contrast of scanned image. Choose from the three radio buttons, namely: "From a vague photo", "Keep color detail", and "With sharp and keep color detail". SHARPNESS TAB This tab allows you to adjust the sharpness of the image with two different options. SATURATION TAB This tab allows you to adjust the color saturation of image in four different levels. Color Matching Mode The Color Matching Mode is entered by clicking the button. The two sections relate to the input device (just reveal a static text about model's name and profile's name) and the output device. The color channel is where you can select the channel to be adjusted. You can drag the triangles or enter the value (from 0 to 100) in the box directly to adjust. To adjust the color balance, first, you select the channel you want to adjust, then drag the triangles under the three color bars. You can also enter the desired values directly into the three entry boxes to the right of the color bars to adjust the color balance. For example, if the color of the brighter area in the original you scan appears to be bluish, you can first choose Highlight as the channel, and then drag the triangle below Cyan-Red bar to the right, or drag the triangle below the Yellow-Blue bar to the left to eliminate the bluish effect. Default parameters Item Color channel Cyan and red Magenta and green Yellow and blue as: Range -100~100 -100~100 -100~100 Default value Mid-tone 0 0 0 CURVE TAB The Curve tool is used to adjust the brightness properties of midtone pixels in an image. Use the Color Channel box to select the color channel to be adjusted. This allows you to adjust the curve property of each color channel respectively. The x-axis in the Tonal Map represents the input brightness level of the pixels in an image. By clicking and dragging the curve to change its shape, you can adjust the difference between input and output brightness level of an image without extensively modifying the dark and bright areas. If we compare the following images and their Tonal Maps: The original image and its Tonal Map. The curve is straight and diago- Drag the curve to the left, and the mid-tone area of the image becomes brighter. Drag the curve to the right, and the mid-tone area of the image becomes darker. You can also click the curve to add new points and further change the shape of the curve: Click to add a new point You can read the precise input/output value in the Input/Output Status Area. LEVEL TAB The Color Level dialog box shows the distribution of brightness levels of an image and its values classified into the Input Level and the Output Level. Use the Color Channel box to select a color channel to adjust. This will allow you to adjust the histogram property of each color channel respectively. A Histogram displays the distributing status of dark and bright pixels in an image. The x-axis is divided into 256 equal portions, representing the brightness level of 0 to 255. The y-axis is used to represent the quantity of pixel in each brightness level. [. . . ] The site provides a download area for drivers, EPSON contact points, new product information and technical support (e-mail). EPSON Faxback Service EPSON Faxback service will fax you the latest specifications for most EPSON products offered in Australia. Phone (02) 9903 9075 and the system will guide you through a number of choices before faxing the information to your fax machine. EPSON Helpdesk EPSON Helpdesk is provided as a final backup to make sure our clients have access to advise. Operators on the Helpdesk can aid you in installing, configuring and operating your EPSON product. Our Pre-sales Helpdesk staff can provide literature on new EPSON products and advise where the nearest dealer or service agent is located. [. . . ]