unexpected print while using "in port.vi"

[hamid_ghlich]

I encounter an unexpected print When I run a program which contains "in port.vi". I use 0x378 and 0x379 for register address.
the printer port is free and nothing is connected to it.

[Filipe A.]

Hello;

Could you post the code you are using?
Regards
Filipe A.
Applications Engineer
National Instruments