Open Device Manager, and locate the three entries for the USB2LPT device, as shown below.
Problem, on Windows XP only:
The CoInstaller is not called for unknown reason. As a side effect, LPT3 is shown initially. However, USB2LPT itself assigns to the next free parallel port name (usually LPT1). Displaying the real assignment is possible using “Properties” dialog.
Reboot request:
The current driver implementation allows changing the LPT device name but the driver reactivates only after a reboot.
Note that most software is not really interested in that device name.
Open the properties page for h#s USB to LPT converter, and click on tab „Emulation“.
Change settings in accordance to your software that accesses the parallel port.
The port name shown (LPT1 etc.) is only a hint and has no relation to real port name assigment (as shown in the title bar). Most software ignores the port name.
Settings not known by the user should be left unchanged.
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