Brother PT-P900 Reference Manual page 42

7.2.3.3. Transmission request
Row number 31: Copies transmission data prepared by transmission data creation to the transmission data
7.2.3.4. Data transmission
For the operation of row number 34: SP.SOCSND, refer to "MELSEC iQ-F FX5 User's Manual (Ethernet
Row number 37/38: When transmission is completed, turns OFF the variable of above control and
Row number 43: Turns ON bStartClose when wPrintCount is 3 or larger.
array "wSendData [3]".
Communication)" for the Mitsubishi Electric programmable controller.
increases wPrintCount by one for the next printing.
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MELSEC iQ-F Brother Label Printer Sample Program Reference Manual