FusionRetail 6 uses windows driver to print barcode labels.
You can use following type of printers to print barcode labels
Thermal Transfer Printers (special barcode printers using the wax ribbon and label in roll format)
Normal Desktop Laser or Inkjet Printers (can print on normal paper)
There are multiple readymade formats(designs) available with FusionRetail 6 to choose from. You can create your own design too.
For more detail visit http://www.rancelab.com/help/fr6_printing_barcode.htm