Technical Updates SNBC CONFIDENCIAL
Shandong New Beiyang Information Technology Co.,Ltd.
Page 4
1.
General Information
1.1 Key Terms
Real-time commands –
These commands are acted on immediately upon being received by the printer.
Page mode –
Under this mode, the printer possesses all data in specified memory and thinks of this as a
virtual page. The page is printed when the printer receives print command either
FF
or
ESC FF
;
Standard mode –
Standard mode is the default mode of printer, namely line mode. Under this mode, the
printer prints data and feeds paper upon print line buffer full (data is enough for one print line) or
receiving print command like
LF
;
HRI character –
Human Readable Interface;
NV memory
– Non-volatile memory in which data stored does not loss when power off.
RAM –
Random Access Memory
Motion unit –
The motion unit has vertical motion unit and horizontal motion unit, which specify the least
space for vertical motion and horizontal motion.
ASB –
Auto status back.
DPI –
Print dots
per inch (one inch equals to 25.4mm). It is used to identify the resolution of a printer.
Example, 203DPI means 203 print dots per inch. DPI: Dot Per Inch.
1.2 Command Format
1
）
[Name]
The name and function summary.
2
）
[Format]
The command format is expressed in ASCII, Hex and Decimal separately.
3
）
[Range]
The range of variation value is selected for a command.
4
）
[Default]
After initialization of printer with power on, primary value is used in commands.
5
）
[Description]
The
detailed functions of command.
6
）
[Note]
Lists items shall be given about attention and main features in use.
7
）
[Reference] Lists all other commands related to current command.
---> DLE EOT n
---> [Name]
Real-time status transmission
--->
[Format] ASCII
DLE
EOT
n
Hex
10
04
n
Decimal
16
4
n
---> [Range]
1
≤
n
≤
4
---> [Description]
Transmits the printer status specified by ‘n’ in real-time.
---> [Note]
The printer will return relevant status immediately after receiving this command.