Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
DISASSEMBLY & ASSEMBLY Disassembly Procedures 52
Figure 4-20. Mechanism internal cover Removal
4.2.2.9 CR Motor Assembly Removal
This section describes the procedures for removing the CR motor assembly
which drives the carriage mechanism (mirror/lamp).
1. Remove the lens and CR motor assembly cover. (See "Chapter 4.2.2.8
Mechanism internal cover removal Removal".)
2. After disconnecting the CR motor assembly connector CN1, remove the
two screws (No.13) and then remove the motor. (See "Figure 4-21. CR
Motor Assembly Removal".)
4.2.2.9.1 CR Motor Assembly Installation
1. Place the CR motor assembly into the scanner mechanism, and attach the
belt.
2. Apply tension to the belt using the belt tension adjustment tool. (For
details, see "Chapter 5.2 Belt Tension Adjustment".)
Screw (No.9)
Screw (No.9)
Carriage movement
C H E C K
P O I N T
After re-installing the CR motor assembly, be sure to
adjust the belt tension while referring to "Chapter 4.2.2.9.1
CR Motor Assembly Installation".
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".
C H E C K
P O I N T
!
The belt should be securely attached to the pulleys.
!
The CR motor assembly should be correctly
positioned (aligned with the positioning tabs on the
scanner mechanism).

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.)