Epson Perfection 640U Series, Service Manual

Page: 12 / 53

EPSON Perfection 640U Revision A
Product Description Control Codes 12
1.4 Control Codes
The command level of this scanner is
ESC/I-D1
. The commands supported
are shown in the table below.
Table 1-3. Control Codes
1.5 Switches
!
Push Button Switch (3) - Front (See Figure 1-4.)
Figure 1-4. Push Button Switch
!
EPSON Smart Panel
Same functions as 'Stylus Scan 2000/2500'. Achieve easy scanning with three
buttons.
"
START Button: EPSON Smart Panel (ESP) is run, and export a
image data to application which user assigned to
relate with the START button. ( This button is
user programmable )
"
COPY Button: The COPY Button is assigned to the Copy utility
on ESP. The copy utility is run and activate
scanning and printing by pushing button. (This
button is not User programmable.)
"
SCAN Button: The SCAN Button is assigned to the
PhotoDeluxe on ESP. Scanning starts full
automatically and export a image data to
PhotoDeluxe. (This button is not User
programmable.)
Category Command Name Code
Execute Command
Request Identity ESC I
Request Identity 2 ESC i
Request Status ESC F
Request Extended Status ESC f
Start Scanning ESC G
Request Push Button Status ESC!
Set Data Format
Set Data Format ESC D i
Set Resolution ESC R n1 n2
Set Scanning Area ESC A n1 n2 n3 n4
Set Color ESC C i
Image Correction
Set Gamma Correction ESC Z i
Download Gamma Table ESC z i d[256]
Auxiliary
Set Threshold ESC t i
Set Scanning Mode ESC g i
Initialize ESC @
Set Line Counter ESC d i
Control
Normal Response ACK
Abnormal Response NACK
Abort Scanning CAN
Header STX
START Button
COPY Button
SCAN Button