User manual EPSON STYLUS SCAN 2500

[. . . ] No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. The information contained herein is designed only for use with this EPSON product. EPSON is not responsible for any use of this information as applied to other products. Neither SEIKO EPSON CORPORATION nor its affiliates shall be liable to the purchaser of this product or third parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product, or (excluding the U. S. ) failure to strictly comply with SEIKO EPSON CORPORATION's operating and maintenance instructions. [. . . ] Resolution: Select a scanning resolution for line drawing and halftone images, or photos. Note: t When the Pixel Depth setting in the Image Type dialog box is set to Black & White, the Drawing/Halftone setting takes effect and the Photo setting becomes irrelevant. For other Pixel Depth settings, the Photo setting takes effect and the Drawing/ Halftone setting becomes irrelevant. Scanner 8-49 t To print your scanned document when Resolution is set to Drawing/Halftone, select the same resolution setting from the list as you select in the printer driver. To print your scanned document when Resolution is set to Photo, select a resolution between 150 and 300 dpi. If you select higher resolution, the Photo setting requires longer to print, but does not improve the output quality. t The Resolution setting is closely related to the Image Size and Scale settings. If you change them arbitrarily, the resulting image may not be what you expected. To save the settings you made, type a new name in the Destination Name box, and then click Save. To delete a Destination setting, select the target setting name to be deleted in the Destination Name menu, then click Delete. Unsharp Mask You can select or deselect the Unsharp Mask setting. Selecting this check box improves image sharpness. 8-50 Scanner Source and Target image sizes The Source fields indicate the size of the image that is displayed or selected in the Preview window. The Target fields indicate what size the image will be when it is output. Note: The image size setting is closely related to the Resolution. If you change either setting arbitrarily, the resulting image may not be what you expected. Width and Height menu: The width and height of an image are indicated in the selected unit of measure. You can type new values directly in the indicator fields, or you can change the image area in the Preview window by creating a marquee, or frame. See "Previewing images" on page 8-40 for more information on marquees. Units menu: Select a unit of measurement. You can select pixels, inches, or cm. Scanner 8-51 Storage size indicator: The storage size of an image is indicated in KB or MB. As you change the image area in the Preview window, this value also changes. Lock button: The current size of width-to-height of the target image can be locked, allowing the ratio of width-to-height of the Source image to change according to the scale value, or the scale value to change according to the ratio of width-to-height of the Source image. This is especially useful in cases where the size of an image does not fit the size of the paper on which you want to print the image, but you want to keep the image's original proportions. Enter the size of the paper in the Width and Height fields of the Target box and then click the lock button. The scale value is automatically changed, maintaining the current ratio of width-to-height to fit the paper. Resolution: The resolution for the current scanning operation can be changed by selecting a resolution or typing in the value. this setting overrides the resolution setting you make in the Destination dialog box. Scale slider: An image can be reduced or enlarged by moving the Scale slider. You can also click the left or right arrow to change the image size in 1% increments. The range of possible reduction or enlargement varies depending on the current resolution setting. 8-52 Scanner Scale indicator: The percentage of enlargement or reduction is shown in the Scale indicator field. You can type a new value directly into this field, or use the Scale slider to determine the value. Image Controls Click the Image Controls button on the Advanced menu to view the following dialog box. Note: t The Image Controls button appears dimmed and is not available when TET (Text Enhancement Technology) is selected in the Image Type dialog box. Scanner 8-53 t If Pixel Depth is set to Black & White and Halftone is set to None in the Image Type dialog box, all the settings except Threshold appear dimmed and cannot be selected. [. . . ] Be aware that this may increase the time required for printing. font A style of type designated by a family name. -2 Glossary grayscale A scale of shades of gray from black to white. Grayscale is used to represent colors when printing with black ink only. halftones Patterns of black or colored dots used to reproduce an image. halftoning Method of using dot patterns to represent an image. Halftoning makes it possible to produce varying shades of gray using only black dots, or a nearly infinite array of colors using only a few colors of dots. See also halftones. high speed printing Printing in which images are printed in both directions. [. . . ]