MJ, thanks for replying. The printer shows up with usbview under OHCI Host Controller. But strangely, the VL printer setup tool doesn't see it nor does HardInfo.
When I reinstalled VL7, I upgraded to the latest cups. Thinking that cups might be the problem, I unhooked the printer and downgraded to the default install version of cups (1.4.6). I reattached the printer and VL automatically detected the printer and now all is well.