On Mac:
Go to settings>>Printers & scanners>> select printer name>> click "-" or click "Remove Printer">> click Remove Printer.
On Windows:
Find and double click the driver installation package>> click "Delete printer driver">> select the printer name>> Next step>> select the printer driver>> Next step>> click "Start deleting">> click "close".
BT320 BLUETOOTH LABEL PRINTER 
BT620 BLUETOOTH LABEL PRINTER 
RD560 BLUETOOTH LABEL PRINTER 
LP320 LABEL PRINTER 
LP620 LABEL PRINTER 
TSL001 4x6 Thermal Labels 
TSL002 4X6 Thermal Label 
LH001 LABEL HOLDER 
LR21 2X1 Thermal Label 
LR22 2X2 Thermal Label