Scanning Guide for Adobe Photoshop

Transcription

1 Scanning Guide for Adobe Photoshop This guide is written for Adobe Photoshop CS2. It describes how to use the scanner through the Import Twain function from within Photoshop, so access to Adobe Photoshop is required in order to use this guide properly. Before you can begin scanning, you need to access the Epson Scan scanner interface. Epson Scan contains all of the tools and options you ll need to scan images directly into Adobe Photoshop. To access the scanner interface, go to the menu at the top of the application and select File > Import > EPSON GT The image below shows where this is located:

2 After you select the scanner from the Import menu, Epson Scan will load. Two new application windows will appear as shown below: After the scanner interface appears, you are ready to scan your image. Lift the cover of the scanner and place your document face down onto the glass surface. Make sure to place it as straight as possible. Once you ve positioned your document on the glass, lower the cover back on top of the scanner. NOTE: Although it is possible to bypass the Epson Scan interface and return to the main Photoshop application, you will not be able to perform any actions until you close the Epson Scan interface. If you are experiencing any problems using the main Photoshop application after performing a scan, be sure that the Epson Scan interface has been closed by clicking on the Close button at the bottom of the left dialogue window.

3 In the scanner interface, look for the button near the bottom of the left dialogue window. Selecting it will cause the scanner to scan the image as a preview, and it will be displayed in the scan area on the right: At this point the image is NOT scanned into Photoshop. The scanner is simply performing a preview scan so you can inspect the image before the final scan. You can readjust the document on the scanner glass and preview scan as many times as you like until you get the desired result. There are other options in the left dialogue window. Under Image Type you can specify whether you want to scan in 8-bit Grayscale for black and white images, or in 24-bit Color for color images.

4 You can select only a portion of the image to be scanned into Photoshop by using a marquee selection: Step 1: Position the mouse cursor on top of the scan area. It should change from a pointer into a crosshair. Step 2: Click with the left mouse button directly onto the scan area. Step 3: Drag the mouse diagonally across the scan area without releasing the left mouse button. This will result in a dotted line box called a marquee. Anything inside the marquee will become the final scan. Step 4: Release the mouse button once you have completed selecting the area you wish to scan. Selecting the edges of the marquee will create a double arrow that will allow you to adjust the size of the marquee. Selecting the area inside the marquee will create a hand icon that will allow you to move the position of the entire marquee. If you need to delete the marquee, click on the to the left of the scan area. button in the Marquee toolbox

5 Choosing a Resolution Before performing a final scan, you should first choose the proper resolution for your image. The resolution will be different depending on the document type, and whether it is a Master Image or a Derivative. The resolution option can be found under the Destination section of the left dialogue window in the scanner interface. Select your resolution from the drop down list provided, or you can manually type in a value for the resolution needed. The Destination area of the scanner interface can be found in the image below, with the resolution section outlined in red. In order to know what resolution to use for the various types of documents you might scan, please refer to the Digital Master Image Files Recommended Imaging Requirements document at for Master Image resolutions. For Derivative/Access Images, refer to the Digital Access Image Files Recommended Imaging Requirements document at for the proper resolutions. Once you have finished making your adjustments and choosing the options you want, you can perform a final scan to scan the image directly into Photoshop. This is done in the left dialogue window by clicking on the button. Once the scan is completed, be sure to click on the close button at the bottom of the of the left dialogue window to close the Epson Scan interface. If you don t exit the interface this way, you will not be able to perform any actions in Photoshop, even though you might be able to see the main application window. Saving a Scanned Image for Archival and Display The process of saving the final scan as a digital image is similar for both Master Images and Derivative/Access Images. Master Images refer to images that are very high quality and largesized for archival purposes. They also make very good prints because of their quality. Derivative/Access Images, or an access copy, refers to images that are suitable for display on the internet. Because they are lower quality, the file sizes are smaller and the print quality is lower. Resolution and file formats will typically be different for both types.

6 If you have already scanned your image, but you need the image to be in a lower resolution than you ve already selected, you can also use Photoshop s Image Size function to adjust it. In order to do this, choose Image > Image Size from the top menu of the application window. The Image Size dialogue window will appear and you can choose a resolution from the drop down menu. The image below shows an example of this: Image Size Dialogue **Note: Only choose a resolution lower than the resolution you used for your final scan. Choosing a higher resolution than the image already has will result in a lower quality image. When you re ready to save the file, select File > Save As from the top menu of the application window. This opens up a save dialogue window shown below.

7 Next to File name, type in the file name you wish to use for the name of the scanned image file. To name the file, follow file naming guidelines at Next, select the file format you wish the save the image as by clicking on the drop down menu next to Format: Select the extension of the file type you want to save the image as and click on the Save button. For Master Images, save the image as a TIFF file. This opens up the TIFF Options window. The options you choose should be based on the Digital Master Image Files Recommended Imaging Requirements document at Be sure to always leave LZW unchecked. Click the OK button in order to finish saving the file. Remember to save the TIFF Master file and accompanying Technical and Administrative Metadata Spreadsheet to drive E:\ \ \Preservation\(image file name) on your computer. For access copies, the image should be saved as a JPEG file. This will produce the JPEG Options window. The options you choose should be based on the Digital Access Image Files Recommended Imaging Requirements document at Access copies must also be recorded into the Technical/Administrative Metadata Spreadsheet. The steps for doing so are outlined below. A. In row 1 type the name of your institution or your institution ID. B. In row 3 type the date and your name if you are the scanning technician. C. In row 5 after column A: Filename, create a new column (Point your cursor and click on Column A. Next click Insert > Columns) and name it Title. This column will represent the title you will use to describe your original. You may also wish to create a Date column. D. In row 7 enter all corresponding information for each row on the spreadsheet. Sample entries already appear in row 6 in parenthesis.

8 E. Save all Master image files and the accompanying metadata spreadsheet to Drive E:\ on your computer. At this point the scanning process should be completed. Repeat the same process for any other images you wish to scan.