Epson 1250 - Perfection Photo Flatbed Scanner, Service Manual

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EPSON Perfection 1250/1250 PHOTO Appendix
49
6.3 Control Codes
The command level for this scanner is ESC/I-D2. The commands supported by
the scanner are shown in the following table.
6.3.1 Scanner Connection Diagram
The scanner connection diagram is shown below.
Figure 6-3. Connection Diagram
Table 6-1. Control Codes
Category Command Name Code
Executable
commands
ID request ESC I
ID2 request ESC i
Status request ESC F
Expansion status request ESC f
Scanning start ESC G
Pushbutton status request ESC !
Data form setting
Data format setting ESC D i
Resolution setting ESC R n1 n2
Scanning area setting ESC A n1 n2 n3 n4
Color setting ESC C i
Correction
processing
Gamma correction setting ESC Z i
Gamma correction table
setting
ESC z i d[256]
Auxiliary, other
Threshold value setting ESC t i
Scanning mode ESC g i
Initialization ESC @
Option control ESC e i
Line counter setting ESC d i
Control
Normal result ACK
Error result NACK
Scanning stop CAN
Header STX
4
4
(Main Board)