Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
ADJUSTMENTS Adjustments Using the Special Software 63
Figure 5-7. Checking the Main Scanning Correction Value
4. Enlarge the scanned image on the screen to check the image. If the edge
panels are included in the image, or if the ruler part of the scanned image
is truncated by more than 1 mm, adjust the main scanning correction
value. (See "Chapter 5.3.4.2 Main Scanning Correction Value
Adjustment".)
5.3.4.1.2 Check the home position in the sub scanning direction
1. Place a sheet of white paper (one sheet of A3 paper or two sheets of A4
paper) and a ruler onto the document platen so that they are against the
main scanning edge panel.
2. Set the scanning area in the preview screen. (See "Figure 5-8. Checking
the Sub Scanning Correction Value".
3. Scan the image at 600 dpi and as a 24-bit color image.
Figure 5-8. Checking the Sub Scanning Correction Value
4. Enlarge the scanned image on the screen to check the image. If the edge
panels are included in the image, or if the ruler part of the scanned image
is truncated by more than 1 mm, adjust the sub scanning correction value.
(See "Chapter 5.3.4.3 Sub Scanning Correction Value Adjustment".)
Set the maximum area
Set so that there is no gap
About 2~3 cm
Ruler part of scanned image
[Example]
Edge panel is included
in the scan (adjustment
required).
C H E C K
P O I N T
Use the Imaging software which is bundled with Windows
95/98 as the scanning application.
Set the
maximum
area
Set so that there is no gap
About 2~3 cm
Ruler part of scanned image
[Example]
Ruler part of the scanned
image is truncated by more
than 1 mm (adjustment
required).

Epson GT-30000 Specifications

Power

voltage	AC 100V-120V, 220V-240V
frequency	50-60Hz
power consumption operating without ADF	65W
power consumption operating with ADF	90W
power consumption standby without optional unit	12W

Operating Environment

temperature operating	41ºF to 95ºF (5ºC to 35ºC)
humidity operating	10% to 80% (no condensation)
humidity storage	10% to 85% (no condensation)

Scanning Specifications

optical resolution	600 x 1200 dpi with Micro Step Drive™ technology
maximum resolution	9600 x 9600 dpi with interpolation
effective pixels	7020 x 10200 pixels (600 dpi)
color depth internal	36 bits per pixel
color depth external	24 bits per pixel (selectable)
grayscale depth internal/external	12 bits per pixel
grayscale depth external	8 bits per pixel
scanning speed at 1600 dpi, draft mode, color	0.79 msec/line (approx.)
scanning speed at 1600 dpi, draft mode, grayscale	0.39 msec/line (approx.)
scanning speed at 1600 dpi, draft mode, art	0.39 msec/line (approx.)

Weight and Dimensions

maximum read area	11.7" x 17.0" (297mm x 432mm)
width	25.9" (658mm)
depth	19.2" (488mm)
height	10.0" (254mm)
weight	66 lb (37.5 kg approx.)