２９
Printer status commands
ESC v
Send printer status to host
Format:
ASCII :
ESC v
Decimal :
27 118
Hexadecimal :
1B 76
Explanation:
Send the printer current status to host, only valid for the printer with serial port
(POS58IIIIS/AS).
When printer received the command, it transfers one byte through TXD line of
the interface. Definition of said byte is shown as below.
GS a n
Enable/disable ASB status sending
F
ormat:
ASCII :
GS
a
n
Decimal :
29
97
n
Hexadecimal :
1D 61
n
Explanation:
Enable/disable auto-status back (ASB) sending, valid for serial interface type
models (POS58IIIIS/AS) only.
Explanations
Bit
Function
Value
LED
0
1
2
3
4
5
6
7
Auto-cutter not in home psoition
not defined
Paper out
Upper cover not yet close
not in use
not defined
Print-head overheated
not defined
1
------
1
1
0
------
1
------
flash 1 time
------
flash 4 times
flash 6 times
-----
------
flash fast & evenly
------
３０
Definition of selected bytes
Value
Bit
Status definition
0
1
0
Fixe to 0
1
Not defined
－
－
2
Enable/disable ASB sending
Disable
Enable
3, 4
Not defined
－
－
5
Enable/diable
ERROR
set
Busy
(RTS=“MARK”)
Disable
Enable
6, 7
Not defined
－
Note 1:
u
When ASB sending is enabled, printing will automatically send a
status byte to host ignoring whether printer is ready, or printing, or
any errors occurred, or stauts of RTS/CTS handshaking status.
u
If enable error set busy, when printer detect any errors status will set
BUSY (RTS=”Mark”)
u
Default n = 00H, no ASB sending, Error not set Busy.
u
ESC @ doesn’t change GS a settings.
ESC u
Return equipment status
Format:
ASCII :
ESC u
n
Decimal :
27 117 n
Hexadecimal :
1B 75
n
Explanation:
Send equipment status to host, only valid to the printer with serial port
(POS58IIIIS/AS)
