public int OperateStepMotor()
{
int nres;
int ncmdlen = 13;
byte pcmd = 0x40;
nres = SmartComm2.SmartCommEx_CmdSend((long)hsmartprinterid, pcmd, ncmdlen);
if (nres == SmartComm2.SM_SUCCESS)
{
}
return(nres);
}