Epson GT-30000 Service Manual

A3 Size Color Flat Bed Scanner GT-30000 Revision A
PRODUCT OUTLINE Interface Specifications 16
1.3.2.8 Status
The status is determined as follows.
Note: R = reserved
1.3.2.9 Display Messages
1.3.2.10 Connector pin arrangement
"
Normal SCSI (50pin)
Figure 1-3. Normal SCSI (50pin)
connector pin arrangement
Table 1-5. Status Conditions
Status bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
Good R R 0 0 0 0 0 R
Check condition R R 00001R
Busy R R 0 0 1 0 0 R
Table 1-6. Message Summary
Code Message Direction
Negate ATN
before last ACK
00h Command complete In -
01h (Extended Messages)
02h Save Data Pointer In -
03h Restore Pointer In -
04h Disconnect In -
05h Initiator Detected Error Out Yes
06h Abort Out Yes
07h Message Rejection In/Out Yes
08h No Operation Out Yes
09h Message Parity Error Out Yes
0ch Bus Device Reset Out Yes
80h-ffh Identify In/Out No
In = Target to Initiator, Out = Initiator to Target
Yes = Initiator shall negate ATN before last ACK of message
No = Initiator may or may not negate ATN before last ACK of message
Table 1-7. Extended Message
Code
Message
length
Byte
Extended Message Name Direction
Completion
of ATN
01h 5
Synchronous Data Transfer
Request
IN/out Yes (out)
03h 4 Write Data Transfer Request IN/out Yes (out)
Table 1-8. Normal SCSI Connector Functions
Signal In/Out Connector pin No Description
GND 1~12, 14~25, 35~37, 39, 40, 42
NC 13
DB0 I/O 26 Data Bus 0
DB1 I/O 27 Data Bus 1
DB2 I/O 28 Data Bus 2
DB3 I/O 29 Data Bus 3
DB4 I/O 30 Data Bus 4
DB5 I/O 31 Data Bus 5
DB6 I/O 32 Data Bus 6
DB7 I/O 33 Data Bus 7
DBP I/O 34 Data Bus Parity
TERMPWR 38 Terminator Power
ATN I 41 Attention
BSY I/O 43 Busy
25
1
50
26

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.)