Service manual

EPSON Perfection 1240U Revision A
Product Description Control Codes 13
1.4 Control Codes
The command levels of this scanner are
ESC/I (B8) and FS
. The commands
supported are shown in the table below.
Table 1-3. Control Codes
classification Name Code
Execute Command
ID Request ESC I
Status Request ESC F
Extended Status Request ESC f
Request Command Parameters ESC S
Start Scanning ESC G
Push Button Status Request ESC !
Extended ID Request FS I
Scanner Status Request FS F
Scanning Parameter Request FS S
Start New Scanning FS G
Set Data Format
Set Data Format ESC D i
Set Resolution ESC R n1 n2
Set Zooming ESC Hi1 i2
Set Scanning Area ESC A n1 n2 n3
Set Color ESC C i
Set Mirroring ESC Ki
Set Scanning Parameter FS W
Image Correction
Set Brightness ESC Li
Set Gamma Correction ESC Z i
Down Load Gamma Table ESC z i d [256]
Set Sharpness Control ESC Qi
Image Disposition
Set Half-tone Processing ESC Bi
Set Auto Area Segmentation ESC si
Down Load Dither Pattern ESC bijd [j^2]
Set Color Correction ESC Mi
Down Load Color Correction ESC m d [9]
Set Threshold ESC ti
Auxiliary
Set Scanning Mode ESC g i
Initialize ESC @
Set Line Counter ESC d i
Option Control ESC ei
Set Film Type ESC Ni
Set Focus Position ESC pi
Request Focus Position ESC q
Eject Paper FF
Control
Normal Response ACK
Abnormal Response NACK
Stop Scanning CAN
Header STX
classification Name Code