(1) Share printer MyUSBPrinter to the network as \\MyMachine\MyUSBPRN (2) Deassign the local device in case it has been assigned to a net device previously by: NET USE LPT2: /D (3) Map the local port to the networked print device by: NET USE LPT2: \\MyMachine\MyUSBPRN /YES You may need to persist the share; on some OS (XP for example) the NET USE would read NET USE LPT2: \\MyMachine\MyUSBPRN /YES /PERSISTENT:YES