Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
DISASSEMBLY & ASSEMBLY Disassembly Procedures 42
4.2.1 Scanner Body Disassembly
This section describes procedures for disassembling the major units of the
scanner.
4.2.1.1 ADF Removal
1. Disconnect the power supply cable and the ADF connection cable from the
scanner.
2. Remove the two screws which are securing the ADF to the rear of the
scanner, and then remove the ADF. (Refer to A3 Auto Document Feeders
service manual for detail.)
Figure 4-2. ADF Removal
4.2.1.2 Main Circuit Board Removal
The main circuit board (PBA-MAIN) of this scanner consists of an independent
main circuit board assembly. The main circuit board assembly is designed so
that it can be easily removed from the scanner.
1. Remove the three screws (No.6) which are securing the main circuit board
assembly at the rear of the scanner, and then remove the main circuit
board assembly from the scanner.(See "Figure 4-3. Main Circuit Board
Assembly Removal".)
C H E C K
P O I N T
The main circuit board assembly can be removed
easily by pulling the two card spacers at the left and
right sides of the assembly.
A D J U S T M E N T
R E Q U I R E D
After replacing the main circuit board, you must set the
product name, paper detect size and confirm the Home
Position of the scanner, by using the special software.
(See "Chapter 5.3.3 Using the Name Rewriting Software".)

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.)