Chapter 6 Application Development Information TM-C3400-LT Reference Library This section describes the APIs provided in TM-C3400-LT Library. TMC34LT_PrinterPowerOn Turn the printer power on. Syntax int TMC34LT_PrinterPowerOn () Return Value 6 Change LCD brightness. This setting is valid only while the product power is on. This setting will be lost when power off the product. 125 Return Value Description 0 Success Not 0 Failed (Returns an OS error code.) TMC34LT PrinterPowerOff _ Turn the printer power off. This API returns immediately even if the printer is executing the head cleaning. But printer power turns off after finished the head cleaning or other process.
Syntax int TMC34LT PrinterPowerOff() _ Return Value Return Value Description 0 Success Not 0 Failed (Returns an OS error code.) TMC34LT SetBrightness _ Return Value Description 0 Success Not 0 Failed (Returns an OS error code.)