: This usually happens if the Baud Rate in the software doesn't match the settings on the plotter's physical control panel.
: If the icon doesn't appear, go to Tools > Options > Customization > Commands in CorelDRAW and look for "Macros" to manually add the button.
: Obscure alphanumeric strings are frequently used as filenames for trojans or bundled "adware" tools found on file-sharing mirrors. Technical Analysis of the String