I've got the same VFD. The little black coil in the upper right came apart on mine.
This is the diagram from Mike Lynch's LCD plugin.
Futaba VFD Connections
tie pins 18 to 25 on the parallel port to ground.
Also note that when using a standard LCD plugin, lines 2 and 3 are reversed. I haven't had a chance to test it with Mike's latest plugin, but it shows it supports them natively.
Oh yeah...you don't need the pots.
[This message has been edited by SuperPimp (edited 03-13-2001).]