Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
DISASSEMBLY & ASSEMBLY Disassembly Procedures 53
3. Secure the CR motor assembly to the scanner mechanism by tightening
the screws. (See "Figure 4-21. CR Motor Assembly Removal".)
Figure 4-21. CR Motor Assembly Removal
4.2.2.10 Document Size Sensor Removal
1. Remove the circuit board and sensor cover. (See "Chapter 4.2.2.8
Mechanism internal cover removal Removal".)
2. Remove each of the screws (No. 8) which are securing the document size
sensors to the scanner chassis, and then disconnect each of the
connectors (CN1) from the document size sensors.
3. Take the document size sensors upward and remove them. (See "Figure
4-22. Document Size Sensor Removal".)
Figure 4-22. Document Size Sensor Removal
A D J U S T M E N T
R E Q U I R E D
When re-installing the CR motor assembly, be sure to
adjust the belt tension by referring to "Chapter 5.2 Belt
Tension Adjustment".
Screws(No.13)
CR Motor Assembly Positioning Dowels
C H E C K
P O I N T
When installing the document size sensors, make sure
that the connectors are connected correctly. (See "Table
4-4 Document Size Sensor and Cable Colors".)
Table 4-4. Document Size Sensor and Cable Colors
Document
Size
Sensor 1
Blue/Blue/
Blue
Document
Size
Sensor 3
Blue/Blue/
White
Document
Size
Sensor 3
Light Blue/
White/White
Document
Size
Sensor 2
Blue/
Light Blue/
Light Blue
Document
Size
Sensor 4
White/White/
White
Document
Size
Sensor 4
Light Blue/
Light Blue/
Light Blue
Screws
ScrewsScrews
Screws(
((
(
No.8
)
))
)
1
11
1
2
22
2
3
33
3
4
44
4
5
55
5
6
66
6

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.)