Adding a logo to a Star TSP100 printer
If you go into Control Panel by holding the windows key and pressing R to bring up the run box and typing control panel.
Then choose Devices and Printers.
Choose the printer you want the logo on (usually receipt).
Choose printer and then on the drop down choose properties.
Choose TSP100 Config.
Click Launch Configuration Application.
The choose Star Line Mode and click OK.
The Star utility will now be displayed.
First choose Image list.
Select the image you want to be printed.
Then choose Logos & Cropping and select the image to be at the top and centred.