Citizen BD2-1220 Command Reference Manual page 59

GS ( A pL pH n m
[Function]
[Code]
[Definition]
[Outline]
[Details]
Execution of test printing
<1D>H<28>H<41>H<pL><pH><n><m>
(pL+(pH 256))=2 (pL=2, pH=0)
0 n 2, 48 n
1 m 3, 49 m
Specified test printing will be executed.
• pL, pH will specify the number of subsequent parameters by
(pL+(pH 256))bytes.
• n will specify the paper for test printing in the following table.
n
0, 48
1, 49
2, 50
• m will specify the category of test printing in the following
table.
m
1, 49
2, 50
3, 51
• This command is only valid when processed at the head of a
line during the STANDARD MODE.
• The command will be ignored in PAGE MODE.
• During macro definition, if this command is processed, the
macro definition is suspended, and the command starts being
processed.
• Printer will reset its hardware after finishing test printing.
Therefore, the printer makes download characters, bit map
images and macros undefined, clears the reception buffer/print
buffer, and returns the various settings to defaults. At this time,
the DIP switches are read again.
• Paper cutting is performed at the end of test printing.
• Printer will be BUSY when the processing of the command
starts.
— 57 —
50
51
Category of paper
Basic paper (Paper rolls)
Paper rolls
Category of test printing
Hexadecimal dump
Printer's status printing
Rolling pattern printing