Epson Gt1500 Owners Manual

Solving Problems61
Your scanned image is blurred or 
distorted.
■Check the position and condition 
of your document. Make sure it is 
placed flat against the document 
table glass. If only part of the 
image is blurred, part of your 
document may be wrinkled or 
warped. 
■Make sure the document table 
glass is clean.
■Make sure you didn’t accidentally 
move the document during 
scanning.
■Make sure the scanner is on a flat, 
stable surface.
The edges of the document aren’t 
scanned.
■Don’t place your...

62Solving Problems
Your image scans at an angle.
Check the position of your document. 
It may be placed at an angle on the 
document table. Align it so the 
horizontal and vertical edges are 
carefully aligned with the scales on the 
top and side of the document table. 
Straight lines in the image come out 
jagged.
Make sure the document is aligned 
with the scales on the top and side of 
the document table. 
Your image is too dark.
■Increase the brightness setting in 
EPSON Scan Office or Home 
Mode....

Solving Problems63
The colors in your scanned image 
look different from the colors in the 
original document.
■Make sure the Image Type setting 
in EPSON Scan is correct.
■Try different combinations of 
gamma and color settings in 
EPSON Scan. Click the 
Configuration button at the 
bottom of the window, then make 
any changes on the 
Color tab. 
■Exact color matching is difficult. 
Check your software and monitor 
documentation for information on 
color matching and calibration.
Moiré (cross-hatch)...

64Solving Problems
Uninstalling and Reinstalling EPSON Scan
If you’ve tried every other solution and your system still doesn’t recognize your 
scanner, try uninstalling and reinstalling the scanner software.
1. Turn off the scanner and disconnect it from the computer.
2. Double-click the 
Add or Remove Programs icon in the Windows Control 
Panel.
3. Select 
EPSON Scan, and click the Change/Remove (or Add/Remove) button.
4. Follow the on-screen instructions to remove the software. If you see a message...

Solving Problems65
Speak to a Support Representative
Before you call for support, please have the following information ready:
■Product name (Epson GT-15000)
■Product serial number (located on the back of scanner)
■Proof of purchase (such as a store receipt) and date of purchase
■Computer configuration
■Description of the problem
Then call:
■U.S.: (562) 276-4382, 6 AM to 6PM, Pacific Time, Monday through Friday.
■Canada: (905) 709-3839, 6 AM to 6PM, Pacific Time, Monday through Friday.
Toll or long...

66Solving Problems 

67
Appendix A
Specifications
Scanner
General
Scanner type
Flatbed, color
Photoelectric device
Color Matrix CCD
™ line sensor
Monochrome line sensor
Effective pixels
7020 × 10200 pixels (600 dpi)
Color depth 
48-bit internal/24-bit external
Grayscale depth
16-bit internal/8-bit external
Maximum document size
11.7 × 17.0 inches (297 × 432 mm)
(the reading area can be specified from 
your software)
Resolution
600 dpi (optical) 
Maximum hardware resolution*
600 dpi (main scan)
1200 dpi with Micro Step Drive...

68Specifications
Digital halftoning
AAS (Auto Area Segmentation,
enable/disable selectable)
3 error diffusion modes (A, B, and C)
4 dither patterns (A, B, C, and D) for
bi-level and quad-level data 
(2 downloadable dither patterns)
Gamma correction
2 types for CRT display
3 types for printer
1 type user-defined
Color correction
1 type for CRT display
3 types for printer (available in color
byte sequence mode and color line 
sequence mode)
1 type user-defined 
Interfaces
SCSI 2 (half pitch 50-pin...

Specifications69
SCSI Interface
Interface type
ANSI X3T9.2/375R Revision 10L 
(SCSI 2)
Logic level
TTL-compatible
ID setting
Selectable from 0 to 7
Terminator
Internal terminator (enable/disable
selectable)
Connector type
Two half pitch 50-pin connectors
USB Interface
Interface type
Universal Serial Bus Specification
Revision 2.0
Electrical standard
Full speed mode (12Mb) and High 
speed mode of Universal (480 Mbps)
Serial Bus Specification Revision 2.0
Connector type
One receptacle (Type B)
IEEE 1394...

70Specifications
Initialization Methods
SCSI interface
Hardware: Initialized when the scanner 
is turned on or the scanner 
receives a SCSI Reset signal 
from the SCSI interface
Software: Initialized when the 
software sends the Esc @ 
(initialize the scanner 
command), or the scanner 
receives a SCSI Bus Device 
message
USB interface
Hardware: Initialized when the scanner 
is turned on or the USB 
cable is plugged into the 
USB port on the scanner
Software: Initialized when the 
software sends the Esc @...