SATO CT400 Operator And Technical Reference Manual page 148

Section 5. Interface Specifications
Head Status (SOH + HC)
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an HC
(hexadecimal 4843) causes the printer to return a 1 byte Head Fault Status Word
bounded by an STX-ETX pair that reports the current operating status of the print
head. Before the printer will respond to this command, it must be in the Download
Mode (DSW1 = Off, DSW2 and DSW3 = On)
BYTE
NUMBER
1
System Version Information
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an SB
(hexadecimal 4D47) causes the printer to return a 50 byte Printer Status Word
bounded by an STX-ETX pair that reports the system version of the printer.
BYTE
NUMBER
1-50
Memory Status
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an EB
(hexadecimal 4542) causes the printer to return a 24 byte Memory Status Word
bounded by an STX-ETX pair that reports the current user memory allocation.
BYTE
NUMBER
1-4
5-8
9-12
13-16
17-20
21-24
Page 5-14
HEX
VALUE
00 Print Head OK
01 Electrical Fault in Print Head
VALUE
ASCII Firmware Version Information
VALUE
Binary Free Font Memory
Binary Total Font Memory
Binary Free Form Overlay Memory
Binary Total Form Overlay Memory
Binary Free Graphic Memory
Binary Total Graphic Memory
9001069A
DESCRIPTION
DESCRIPTION
DESCRIPTION
SATO CT Series Printers