Head Status (SOH + HC)
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an ASCII HC
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 Head Check Mode (DSW2-3 =
On).
BYTE
NUMBER
HEX
VALUE
DESCRIPTION
1
00
01
Print Head OK
Electrical Fault in Print Head
System Version Information
Upon Receipt of an SOH (hexadecimal 01) followed immediately by a ASCII SB
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
VALUE
DESCRIPTION
1-50
ASCII
Firmware Version Information
Memory Status
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an ASCII EB
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
VALUE
DESCRIPTION
1-4
Hex
Free Font Memory
5-8
Hex
Total Font Memory
9-12
Hex
Free Form Overlay Memory
13-16
Hex
Total Form Overlay Memory
17-20
Hex
Free Graphic Memory
21-24
Hex
Total Graphic Memory
SATO M8400RVe
PN 900107
5A
Page 6-15
Section 6: Interface Specifications