Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
DISASSEMBLY & ASSEMBLY Disassembly Procedures 54
4.2.2.11 Relay Circuit Board Removal
1. Remove the main circuit board assembly. (See "Chapter 4.2.1.2 Main
Circuit Board Removal".)
2. Remove the circuit board and sensor cover. (See "Chapter 4.2.2.8
Mechanism internal cover removal Removal".)
3. Remove the five screws (No.8) which are securing the relay circuit board to
the scanner chassis, and then disconnect all connectors (CN1,
CN3~CN10, CN13) from the relay circuit board.
4. Lift the relay circuit board up to remove it. (See "Figure 4-23. Relay Circuit
Board Removal".)
Figure 4-23. Relay Circuit Board Removal
Screws (No.8)
CN13
CN9
CN4
CN6
CN1
CN3
Carriage movement
Screws (No.8)
CN10
CN5

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.)