cashDrawer.open("TSP700-cashdrawer-mac-usb"); // TSP700 cashDrawer - mac - usb
//cashDrawer.open("TSP700-cashdrawer-ethernet"); // TSP700 cashDrawer - ethernet
// claim exclsive usage of the cashDrawer object
cashDrawer.claim(1);
// enable the device for input and output
cashDrawer.setDeviceEnabled(true);
// check if the drawer is currently opened