Product
1.7.4 Format of Status Byte
The status byte should have the format shown below.
7
6
5
4
3
2
1
0
LSB
x
*
*
*
*
x
x
attributes
Area end flag
Fatal em flag
Figure 1-13. Status Byte
1. Status indicates the scanner’s current condition and error status.
2. Status accompanies the information block of the data block.
3. Status is returned to the host computer when requested with the status request command
F.
/Waning of Each Status Bit
Bit 7:
Bit 6:
Bit 5:
Bit
Bit 3:
Bit 2:
Bit 1:
Bit O:
Fatal error flag. Set when a system error occurs.
Reserved.
Area end flag.
a.
For color
set to 1 for the last data block of a color page.
b. For monochrome
for the
block of the page.
Option flag. When optional equipment is installed, set this to 1.
Color attribute 1. See Table 1-7.
Color attribute2. See Table 1-7.
Reserved (always O)
Reserved (always O)
Table 1-7. Color Attributes
Bit
3
2
Monochrome Mode
C O)
o
0
Green
o
1
Color Mode
C 1)
Red
1
0
Blue
1
1
1-16
Rev.
Содержание ES-1200C Pro PC
Страница 2: ...EPSON IMAGE SCANNER GT 9000 ES 1200C SERVICE MANUAL EPSON ...
Страница 6: ...REVISION SHEET Revision Issue Date Revision Page Rev A June 29 1994 let issue o j c1 v ...
Страница 66: ...Chapter 4 Adjustments No Adjustment is required in this product ...
Страница 77: ...Troubleshooting GT4XNM ES 1 Savlca Mmu Table 5 15 Repair of the Main Controi Board Continued 5 1o Rev A I ...
Страница 80: ... ...
Страница 89: ...a g I 1 1 u In o N 7 g m N x In g Figure A 4 B027 PSE Board Circuit Diagram A 10 Rev A ...
