I have had this problem as well for a long time (on windows 98) using an HP Laser Printer.
I don’t know if my problem is in any way related to yours, but in my case:
1) If I am prining more than one statement (for example) the printin kicks out immedately; or
2) If I issue the Print command and then immedately exit NV1, the printing begins immedately.
In other words, the delay only is encountered when I am trying to print out exactly 1 item.
Do you know if your problem responds in the same manner?
In may case it is just a minor annoyance and inconvenience.