Architecture and the Arts
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Daley Library
Media, Artist & Museum Catalogs, Scores--1st Floor South
Books--4th Floor
Periodicals--2nd Floor South
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Scanning in the Daley Library Reserve Reading Room
These instructions cover using scanning hardware and software in the Daley Library Reserve Reading Room (Windows XP Professional operating system and the Macintosh operating system).
- These computers are for the exclusive use of UIC students, faculty or staff. Reserve Reading Room staff may request users to show a UIC I-Card.
- These computers are to be used ONLY for scanning and related work. Patrons using the computer for other purposes will be asked to leave the workstation.
- Any files left on the Reserve Reading Room computers will be deleted at the end of the day.
NOTE: You cannot print from the Reserve Reading Room workstations.
Getting Started
- Open the scanner cover and place your document face down on the scanner.
The document should be placed so that its edges are against the top and right
sides of the scanner. There is an arrow in the top right corner of the scanner
to remind you.
- Close the scanner cover.
- On either PC or Macintosh, click (or double-click) on the Adobe Photoshop Elements icon.
Previewing and Scanning Your Materials
A. You should preview your items to make sure your image is properly placed and that you're getting only the area you need before you do the actual scan.
- From the Photoshop Elements File menu, choose
Import > EPSON TWAIN 5...
to begin scanning.
- Once Epson Twain has opened, a preview scan may begin automatically.
If you see this window:
Click Cancel. Then choose Manual Mode...
A large dialog box full of options will appear.
- To begin a preview scan , click on the icon on the left (the one that resembles a sheet of paper with the upper right corner folded over) in the Preview square:
B. Image Type and Destination
These settings tell the scanner what kind of original item you're scanning, and the final output quality you want.
- Image Type
- If you want to scan a color image set the Image Type to Color
Photo.
- If you want to scan a black and white image
- Click on the Image Type button
- In the list of Image Types, select Black & White Photo.
- In the Pixel depth box, select 8-bit Gray
- Click OK.
- Image Destination
- If you are scanning an image to be shown on a screen (for example: a web
page or powerpoint presentation)
- Set the Destination to Screen, Screen Vivid or Screen/Web.
- Set the Resolution to 72
- If you are scanning an image to be printed on paper
- Set the Destination to Laser Printer.
- Set the Resolution to a number between 150-300.
- 150 dots per inch is fine for most scans. Try this resolution first.
If you find the results unsatisfactory, try increasing the resolution to
200 dots per inch. Note that file size increases significantly as you
increase the resolution.
- Note: For more information on Screen Resolution and why it is set
to a lower number than Print Resolution, please read How Image Resolution Works for Images Displayed on Screens.
- Select the area to scan.
- Adjust the selection area in the image Preview window.
- Using the mouse, click and drag a rectangle around the area you want to
scan. (The dotted line rectangle that appears is the marquee.)
- If you want a closer look at the area to be scanned, click on the button with the magnifying glass inside the Preview box to zoom to the selected area.
- Adjust the selected area by resizing the marquee. To resize the marquee, allow the mouse to hover over an edge or corner of the marquee until arrows appear. Then click and drag to the correct size.
- Image Settings: Brightness, Contrast and Color
- Click on the AUTO button to automatically adjust the brightness
and contrast. If you prefer to do this manually, click on the first three
buttons for more options. Click Reset to reset the image to its original
settings.
- Adjust the image size.
The Source fields will tell you the dimensions of your original
image.
- If you are scanning an image to be shown on a screen, select pixels
from the units menu on the right.
- If you are scanning an image to be printed on paper, select inches
from the units menu on the right. You may also choose to show size as a
percentage.
If you already know the dimensions that you would like your image to
have, type them into the W and H fields in the Target
section. You can also use the slider bar or click on the arrows to adjust
the dimensions by percentage. The W and H boxes will change
automatically.
Note: It is better to resize the image now rather than after the
image has been scanned, especially if you wish to increase the apparent size. Scaling an image after it has been scanned will
often result in lost quality (a fuzzy or more pixelated image).
Sizing: For displaying on a screen (for example: the web or
powerpoint) images should not be larger than 640x480 pixels. The file size
will increase as the dimensions increase so if possible, your dimesions
should be smaller than this.
- Scan
- When you are satisfied with all of the above settings, click Scan.
- The Epson Twain window may close automatically, but if it does not,
click Close.
Your image should now be in an untitled window inside Photoshop Elements.
- Double-click the magnifying glass to see the image at full size.
- If the image needs to be rotated, from the Image menu choose one of
the Rotate options. CW will rotate clockwise (to the right) and CCW will rotate counter-clockwise (to the left).
- If you'd like to sharpen your image, go the Filter menu in
Photoshop, and choose Sharpen -> Unsharpen Mask. In the window that
opens, choose the settings that look best in the preview window and click
OK.
- When your image is finished you will need to Save your image.
- Insert a floppy diskette (PC only) or 100 MB Zip cartridge (PC or Macintosh), and from the File menu, select Save As.
- If you intend to print this scanned image on paper
- Save your image in Photoshop format.
- Name your image and click Save.
- If you intend to display this image on a screen
- Save in JPEG format.
- Name your image and click Save.
- Photoshop will prompt you for the image quality. For Image Options,
set the Quality to 5 (Medium). (You don't get much better
image quality by choosing high or maximum, and your files will be
unnecessarily large. The "Low" setting is not recommended.) Set the Format
Options to Baseline (Standard).
URL: http://www.uic.edu/depts/lib/archart/services/aascanning.shtml
Originally written by Heather Woods, Information Services, Wellesley University;
Original file: http://www.wellesley.edu/Computing/Photoshop/scanning-epson.html
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Last updated: Friday, 23-Jan-2004 09:50:15 CST
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