Overview; Command Classification; Key Terms - SNBC BTP-R580II Programming Manual

1 Overview

This manual classifies the printer commands into several kinds based on its functions, and also
describes the applications of relative commands in detail depending on its sorts. Hopefully, it can help
the programmers to get known of those commands.

1.1 Command classification

The commands of this receipt printer are classified as below:
Print commands: used for printing and feeding paper;
Position commands: to control the print position;
Character commands: to set character property;
Bitmap commands: to download and print bitmaps, including NV and RAM bitmap;
Status commands: used for printer status query;
Barcode commands: barcode print and property settings;
Other commands: used for periphery control, Macro-definition and initialization, etc.;
For command description, please refer to the detailed function of relative commands.

1.2 Key terms

Immediate commands:
Print buffers:
Page mode:
Standard mode:
HRI character:
NV memory:
RAM:
DPI:
Baseline:
These commands are acted on immediately upon being received by the
printer;
used to store figure data to be printed;
Under this mode, the printer stores all data in a specified memory and thinks
of this as a virtual page. The page is printed only when the printer receives
print command either FF or ESC FF;
Standard mode is the default mode of printer, namely line mode. Under this
mode, the printer prints and feeds paper upon printer line buffer full (data is
enough for one print line) or receiving print command like LF;
Barcode note character.
Non-volatile memory in which data stored does not lose when power-down.
NV: Non-volatile;
Random Access Memory;
Print dots per inch (one inch equals to 25.4mm). It is used to identify the
resolution of printer. Example, 203DPI means 203 print dots per inch. DPI:
Dot Per Inch
The standard position where character data in print buffers are stored. The
figure below shows the position of ordinary characters in standard mode and
page mode:
BTP-R580II Programming Manual
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