On Mon, 7 Jul 2003 23:57:46 -0400 Carroll Grigsby <[EMAIL PROTECTED]> wrote:
> On Monday 07 July 2003 03:49 pm, James Sparenberg wrote: > > On Mon, 2003-07-07 at 16:13, Pierre Fortin wrote: > > > Just a heads up... > > > > > > I have not fully analyzed this; but my HP 5550 (USB2.0) printers > > > will not work if connected to a USB/PCMCIA port. My camera, > > > external HDs, etc, all work off the SIIG USB PCMCIA 4-port hub; but > > > the printers will only work if connected to the laptop's builtin > > > USB1.1 port. > > > > > > CUPS reports "Unable to open USB device "usb://hp/deskjet%205550": > > > No such device", even after redoing the printer setup via > > > http://localhost:631 > > > > > > Just moving the cable from the PCMCIA to the builtin port allows > > > queued jobs to print. > > > > Pierre, > > > > Is it possible.. (and this is a real stab in the dark.) that the > > printer doesn't recognize the hub as a real USB port? So it doesn't > > "activate". I've got an Epson that does that no matter what OS is on > > the other end. When I boot the box with the printer connected to the > > USB hub... I don't get all of the chugging and churning I normally get > > when it's directly connected. We got rid of the hub plugged it in > > directly and ... poof it works. Go figure. > > > > James > > I recall reading that some external USB hubs are not powered, and > therefore are only usable with passive devices. That might explain > James' problem, but probably not Pierre's. > -- cmg Yikes! During testing, the power connector had fallen out of the PCMCIA adapter (where's my epoxy..?); but that is not my problem since I've rechecked...
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