Epson Gt2500 User Manual
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Home > Solving Problems
Scanner Problems
The Scanner Does Not Scan
The Scanner is Not Recognized by Your System
Pressing the Start Button Does Not Open the Correct Program
You Cannot Scan Multiple Images at One Time
See your Start Here sheet for instructions on setting up your scanner. If you have problems\
operating the scanner, make sure:
l The scanner is turned on by pressing its power button.
l The power cord is securely plugged into an electrical outlet.
l The power...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-156.png "Page 157
Home > Solving Problems
Scanner Problems
The Scanner Does Not Scan
The Scanner is Not Recognized by Your System
Pressing the Start Button Does Not Open the Correct Program
You Cannot Scan Multiple Images at One Time
See your Start Here sheet for instructions on setting up your scanner. If you have problems\
operating the scanner, make sure:
l The scanner is turned on by pressing its power button.
l The power cord is securely plugged into an electrical outlet.
l The power...")
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l In Mac OS X Classic mode, the scanner may not work properly. Use the Mac\
OS X
interface instead.
Top
The Scanner is Not Recognized by Your System
First check your connection to the scanner and computer:
l Make sure your scanner’s power cord is securely connected to the scan\
ner and a
working electrical outlet, and the scanner’s power button is turned o\
n.
l Make sure the interface cable is securely connected to the scanner and y\
our computer,
and that the cable is not damaged...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-157.png "Page 158
l In Mac OS X Classic mode, the scanner may not work properly. Use the Mac\
OS X
interface instead.
Top
The Scanner is Not Recognized by Your System
First check your connection to the scanner and computer:
l Make sure your scanner’s power cord is securely connected to the scan\
ner and a
working electrical outlet, and the scanner’s power button is turned o\
n.
l Make sure the interface cable is securely connected to the scanner and y\
our computer,
and that the cable is not damaged...")
![Page 159
l Windows XP or 2000: Click the Hardware tab, then click the Device Manager
button.
l Windows Me or 98SE: Click the Device Manager tab.
Scroll down and click Universal Serial Bus
controllers.
If a USB Universal Host Controller and USB Root Hub are listed, Windows supports
USB.
Try scanning again. If your scanner still is not recognized, contact you\
r dealer or a
qualified servicer for assistance.
Top](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-158.png "Page 159
l Windows XP or 2000: Click the Hardware tab, then click the Device Manager
button.
l Windows Me or 98SE: Click the Device Manager tab.
Scroll down and click Universal Serial Bus
controllers.
If a USB Universal Host Controller and USB Root Hub are listed, Windows supports
USB.
Try scanning again. If your scanner still is not recognized, contact you\
r dealer or a
qualified servicer for assistance.
Top")
![Page 160
Pressing the Start Button Does Not Open the Correct Program
l Make sure EPSON Scan is installed correctly. See the Start Here sheet for instructions.
l Make sure your Windows system is set up for scanner events as follows:
Windows XP:
Click the Events tab in your scanners Properties window and make sure Take no
action is not selected. Also, make sure the desired button is selected in the \
Select an
event list box, and Start this program is selected.
For Windows Me, 98SE, and 2000 users:...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-159.png "Page 160
Pressing the Start Button Does Not Open the Correct Program
l Make sure EPSON Scan is installed correctly. See the Start Here sheet for instructions.
l Make sure your Windows system is set up for scanner events as follows:
Windows XP:
Click the Events tab in your scanners Properties window and make sure Take no
action is not selected. Also, make sure the desired button is selected in the \
Select an
event list box, and Start this program is selected.
For Windows Me, 98SE, and 2000 users:...")
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Home > Solving Problems
Scanning Software Problems
You Cannot Start EPSON Scan
The Scanner Software Does Not Work Properly
Scanning Takes a Long Time
Note:
l Some EPSON Scan settings may be unavailable or grayed out based on your \
scanner’s capabilities, the currently selected settings, or the curre\
ntly installed
optional accessories.
l If you see a message on your screen telling you that your scanner can wo\
rk
faster with a USB 2.0 connection, close the message box. You can...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-160.png "Page 161
Home > Solving Problems
Scanning Software Problems
You Cannot Start EPSON Scan
The Scanner Software Does Not Work Properly
Scanning Takes a Long Time
Note:
l Some EPSON Scan settings may be unavailable or grayed out based on your \
scanner’s capabilities, the currently selected settings, or the curre\
ntly installed
optional accessories.
l If you see a message on your screen telling you that your scanner can wo\
rk
faster with a USB 2.0 connection, close the message box. You can...")
![Page 162
If you are scanning from the document table, see Starting a Scan With Another
Scanning Program for instructions.
l In the Windows Device Manager, make sure your scanner’s name appears \
under
Imaging devices without a question (?) or an exclamation (!) mark. If the scanner
appears with one of these marks or as an Unknown device, uninstall EPSON Scan as
described in Uninstalling EPSON Scan. Then reinstall it by following the instructions in
your Start Here sheet.
Top
The Scanner Software...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-161.png "Page 162
If you are scanning from the document table, see Starting a Scan With Another
Scanning Program for instructions.
l In the Windows Device Manager, make sure your scanner’s name appears \
under
Imaging devices without a question (?) or an exclamation (!) mark. If the scanner
appears with one of these marks or as an Unknown device, uninstall EPSON Scan as
described in Uninstalling EPSON Scan. Then reinstall it by following the instructions in
your Start Here sheet.
Top
The Scanner Software...")
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You See Only a Few Dots in Your Scanned Image
l Make sure the document is placed on the scanner’s document table with\
the side to be
scanned facing down. See Placing Originals on the Document Table for details.
l When scanning with the Black&White setting in Home or Professional Mode, change
the Threshold setting. See Adjusting the Color and Other Image Settings for
instructions.
Top
A Line of Dots Always Appears in Your Scanned Images
l The document table may be dusty or...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-164.png "Page 165
You See Only a Few Dots in Your Scanned Image
l Make sure the document is placed on the scanner’s document table with\
the side to be
scanned facing down. See Placing Originals on the Document Table for details.
l When scanning with the Black&White setting in Home or Professional Mode, change
the Threshold setting. See Adjusting the Color and Other Image Settings for
instructions.
Top
A Line of Dots Always Appears in Your Scanned Images
l The document table may be dusty or...")
![Page 166
l Make sure the document lies flat on the document table. Also make sure y\
our
document is not wrinkled or warped.
Caution:
Do not place heavy objects on the document table.
l Make sure you do not move the document or scanner while scanning.
l Make sure the scanner is placed on a flat, stable surface.
l Select Unsharp Mask Filter in EPSON Scan’s Office or Professional Mode window.
If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for...](http://img.usermanuals.tech/thumb/23/76926/w64_gt2500-user-manual-1497519781_d-165.png "Page 166
l Make sure the document lies flat on the document table. Also make sure y\
our
document is not wrinkled or warped.
Caution:
Do not place heavy objects on the document table.
l Make sure you do not move the document or scanner while scanning.
l Make sure the scanner is placed on a flat, stable surface.
l Select Unsharp Mask Filter in EPSON Scan’s Office or Professional Mode window.
If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for...")
Home > Solving Problems Scanning Software Problems You Cannot Start EPSON Scan The Scanner Software Does Not Work Properly Scanning Takes a Long Time Note: l Some EPSON Scan settings may be unavailable or grayed out based on your \ scanner’s capabilities, the currently selected settings, or the curre\ ntly installed optional accessories. l If you see a message on your screen telling you that your scanner can wo\ rk faster with a USB 2.0 connection, close the message box. You can still u\ se your scanner with your USB 1.1 port; this message just informs you that a fas\ ter connection is available. You Cannot Start EPSON Scan l Make sure the scanner power button is turned on. l Turn off your computer and scanner, then check the USB cable connection \ between them to make sure it is secure. l The scanner may not work properly when your computer is in standby mode \ (Windows) or sleep mode (Mac OS X). Restart EPSON Scan and try scanning again. l The scanner may not work properly if you upgrade your operating system b\ ut do not reinstall EPSON Scan. See Uninstalling Your Scanning Software for instructions on uninstalling and reinstalling it. l Make sure that EPSON Scan is selected in your scanning program. If you are scanning with the ADF, see Starting a Scan With Another Scanning Program.
If you are scanning from the document table, see Starting a Scan With Another Scanning Program for instructions. l In the Windows Device Manager, make sure your scanner’s name appears \ under Imaging devices without a question (?) or an exclamation (!) mark. If the scanner appears with one of these marks or as an Unknown device, uninstall EPSON Scan as described in Uninstalling EPSON Scan. Then reinstall it by following the instructions in your Start Here sheet. Top The Scanner Software Does Not Work Properly l Make sure your computer has enough memory and meets the other system requirements for the software you are using. See your software and compu\ ter documentation for details. l With Windows, check whether your scanner appears more than once in the S\ canners and Cameras utility. Do one of the following: Windows XP and Me: Double-click the Scanners and Cameras icon in Control Panel. Delete your scanners icon and reinstall EPSON Scan by following the instructions in your Start Here sheet. Windows 98SE and 2000: Double-click the Scanners and Cameras icon in Control Panel. Delete your scanner from the list of installed devices and reinstall EPSON Scan following th\ e instructions in your Start Here sheet. l The scanner may not work properly when your computer is in standby mode \ (Windows) or sleep mode (Mac OS X). Restart EPSON Scan and try scanning again. l The scanner may not work properly if you upgrade your operating system b\ ut do not reinstall EPSON Scan. See Uninstalling Your Scanning Software for instructions on uninstalling and reinstalling it. Top Scanning Takes a Long Time l Computers with USB 2.0 (high speed) ports can scan faster than those w\ ith USB 1.1 ports. If you are using a USB 2.0 port with your scanner, make sure it m\ eets the
system requirements. See System Requirements for details. l Try scanning your original at a lower Resolution setting to speed up scanning. If you are scanning with the ADF, see Selecting the Scan Resolution. If you are scanning from the document table, Selecting the Scan Resolution for instructions. Top
Home > Solving Problems Scan Quality Problems The Edges of Your Document Are Not Scanned You See Only a Few Dots in Your Scanned Image A Line of Dots Always Appears in Your Scanned Images Straight Lines in Your Image Come Out Crooked Your Image is Distorted or Blurred Colors Are Patchy or Distorted at the Edges of Your Image Your Scanned Image is Too Dark An Image on the Back of Your Original Appears in Your Scanned Image Ripple Patterns Appear in Your Scanned Image Characters Are Not Recognized Well When Converted into Editable Text (O\ CR) Scanned Colors Differ from the Original Colors The Edges of Your Document Are Not Scanned Move the document about 0.1 inch (2 mm) away from the edges of the doc\ ument table to avoid cropping. a. Unreadable area of 0.1 inch (2 mm) Top
You See Only a Few Dots in Your Scanned Image l Make sure the document is placed on the scanner’s document table with\ the side to be scanned facing down. See Placing Originals on the Document Table for details. l When scanning with the Black&White setting in Home or Professional Mode, change the Threshold setting. See Adjusting the Color and Other Image Settings for instructions. Top A Line of Dots Always Appears in Your Scanned Images l The document table may be dusty or scratched. Clean the document table a\ s described in Cleaning the Scanner. Note: Do not press down on the document table with any force. l You may need to clean the underside of the ADF as described in Cleaning the Scanner. l If you still have the problem, contact your dealer. Top Straight Lines in Your Image Come Out Crooked Make sure the document lies perfectly straight on the document table. Al\ ign the vertical and horizontal lines with the scales at the top and side of the document tab\ le. Top Your Image is Distorted or Blurred
l Make sure the document lies flat on the document table. Also make sure y\ our document is not wrinkled or warped. Caution: Do not place heavy objects on the document table. l Make sure you do not move the document or scanner while scanning. l Make sure the scanner is placed on a flat, stable surface. l Select Unsharp Mask Filter in EPSON Scan’s Office or Professional Mode window. If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for instructions. If you are scanning from the document table, see Adjusting the Color and Other Image Settings for instructions. l Adjust the Auto Exposure setting in EPSON Scan’s Office or Professional Mode window. If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for instructions. If you are scanning from the document table, see Adjusting the Color and Other Image Settings for instructions. l Try selecting the following settings in the Configuration window: Color Control, Continuous auto exposure , and Recommended Value on the Color tab. See EPSON Scan Help for details.
l Increase the Resolution setting. If you are scanning with the ADF, see Selecting the Scan Resolution for instructions. If you are scanning from the document table, see Selecting the Scan Resolution for instructions. Top Colors Are Patchy or Distorted at the Edges of Your Image If your document is very thick or warped at the edges, cover the edges w\ ith paper to block external light as you scan. Top Your Scanned Image is Too Dark l Change the Display Gamma setting to match your output device, such as a \ monitor or printer, in the EPSON Scan Configuration window. See EPSON Scan Help for\ details. l Adjust the Auto Exposure setting in EPSON Scan’s Office or Professional Mode window.
If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for instructions. If you are scanning from the document table, see Adjusting the Color and Other Image Settings for instructions. l Try selecting the following settings in the Configuration window: Color Control, Continuous auto exposure , and Recommended Value on the Color tab. See EPSON Scan Help for details. l Check the Brightness setting in EPSON Scan. If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for instructions. If you are scanning from the document table, see Adjusting the Color and Other Image Settings for instructions. l Adjust the brightness using the Histogram in EPSON Scan’s Professiona\ l Mode. See EPSON Scan Help for details. l Check the brightness and contrast settings of your computer monitor. Top An Image on the Back of Your Original Appears in Your Scanned Image If your original is printed on thin paper, images on the back may be vis\ ible to the scanner and appear in your scanned image. Try scanning the original with a piece of \ black paper placed on the back of it. Also make sure the Document Type and Image Type settings\ are correct for your original. If you are scanning with the ADF, see Selecting Basic Settings for details. If you are scanning from the document table, see Selecting Basic Settings for details. Top Ripple Patterns Appear in Your Scanned Image
A ripple pattern (called moiré) may appear in a scanned image of a \ printed document. It is caused by interference from the differing pitches in the scanner’s sc\ reen and the halftone screen in your original. Original image with ripple pattern Descreening Filter applied l Select the Descreening Filter check box in EPSON Scan. In Office or Professional Mode, also deselect the Unsharp Mask Filter setting. In Professional Mode, set the Screen Ruling of the Descreening Filter setting to an appropriate setting for your document. If you are scanning with the ADF, see Adjusting the Color and Other Image Settings for instructions. If you are scanning from the document table, see Adjusting the Color and Other Image Settings for instructions. l Select a lower Resolution setting. If you are scanning with the ADF, see Selecting the Scan Resolution for instructions. If you are scanning from the document table, see Selecting the Scan Resolution for instructions.
Note: You cannot remove moiré patterns when you are scanning monochrome ima\ ges or scanning using a resolution higher than 601 dpi. Top Characters Are Not Recognized Well When Converted into Editable Text (OCR) l Make sure the document lies perfectly straight on the document table. Al\ ign the vertical and horizontal lines with the scales at the top and side of the document\ table. l In Office or Home Mode, select Black&White as the Image Type setting. Then try adjusting the Threshold setting. In Professional Mode, select None for the B&W Option setting. Then try adjusting the Threshold setting. See Converting Scanned Documents into Editable Text for instructions. l Check your OCR software manual to see if there are any settings you can \ adjust in your OCR software. Top Scanned Colors Differ from the Original Colors l Change the Image Type setting in EPSON Scan. Select different combinatio\ ns of this setting and the others mentioned below. If you are scanning with the ADF, see Selecting Basic Settings for instructions. If you are scanning from the document table, see Selecting Basic Settings for instructions. l Change the Display Gamma setting to match your output device, such as a \ monitor or printer, in the EPSON Scan Configuration window. See EPSON Scan Help for\ details.