If you are using a Serial (Com) port click on the Settings button and set the following settings:- Bits per second: 9600 Data bits: 8 Parity: None Stop bits: 1 Flow Control: Hardware Please check your plotter's manual and/or the Com settings on the plotter's control panel and ensure that they match the settings in SignTools. Serial Plotter Cable Please ensure that your Serial (Com) cable is a RS 232-C cable. SignTools will not communicate with your plotter with a different cable. If you are unsure if your cable is a RS 232-C cable, contact your plotter distributor. USB Connection If you are connecting your cutter via a USB connection you must install the USB driver that came with your cutter first. This will create a an extra Com or USB port that you can select in the SignTools 'Device Setup' dialog box. CorelDraw Settings In CorelDraw's Layout menu select Page Setup.