Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
TROUBLESHOOTING Overview 35
Flowchart 3-5. SCSI I/F communication error occurs
Flowchart 3-6. Scanned image is abnormal
Replace the main circuit board or
connection circuit board.
Start
Are the terminal
settings and ID
settings normal?
Check the SCSI connection settings.
Yes
Replace the cable.
Old cable was defective.
Replace.
Yes
No
Old lamp was defective.
No
Does the scanner
operate normally?
Replace the
mechanism
Start
Stains or foreign
material on glass?
No
Replace PBA-MAIN and perform a test scan.
Clean the glass
Yes
Stains or foreign
material on mirror?
Clean the mirror
Yes
Does the scanner
operate normally?
Old PBA-MAIN was defective
Yes
No
No

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.)