Digital BW, The Print

On the earlier UBS controllers there were issues with the specs on the 
signal levels. A couple years ago I got a cheap scanner (Umax I think 
but anyway it was not a Epson)  for copying documents. It was actually 
free when I bought my Dell.  The scanner could not set on a USB hub. In 
fact it was flakey directly on a USB port on my Dell. Even on the port 
on the Dell it wouldn't work half the time.  It turns out that after a 
lot of talking with technical support at both Dell and Umax it was an 
issue that the power levels were not sufficent from the scanner for it 
to operate correctly. The solution was a powered USB hub to bost the 
levels and it worked fine from then on.

I suspect this may be the issue with Epson printers and it really has 
more to do with the chip set they are using to support the USB. In the 
early day of USB there were so specification issues and some things 
didn't always work right. Unless Epson implemented the USB protocol very 
worng - I suspect they use someone elses chip set to connect to the USB 
-  it is up to the computer to sort of who is who is on a USB port. In 
fact many of the cards you buy have multiple ports on a single 
controller. That's not all that different than a hub.





Diane Fields wrote:

>Truman, I had my 2200 on ME before XP.  There have been many posts on other forums about the fact that Epsons often have trouble connected to hubs.  I honestly never tried it--but just installed to a separate USB port and put the 1280 on the parallel.  I have not had any problems installing them on XP though--both are on separate USB ports.
>
>Diane
>  ----- Original Message ----- 
>  From: Truman Prevatt 
>  To: DigitalBlackandWhiteThePrint@yahoogroups.com 
>  Sent: Monday, March 03, 2003 1:37 PM
>  Subject: Re: [Digital BW] Re: Gray Balancer Conflicts
>
>
>  Given my experience with the network adaptor and XP I suspect it is XP 
>  rather than the Epson. On my old box (ME ) I had a scanner, my 1280 and 
>  my network adaptor and a cheap Cannon printer all sitting on a hub going 
>  into a USB port. It worked fine.
>
>  The problem I had with the network adaptor had to do with XP seeming to 
>  want to assign a specific USB port to a specific piece of hardware.
>
>  Truman
>
>  Diane Fields wrote:
>
>  >The Epson printers do not do well on a USB hub--put them on separate USB ports.  Before I put installed XP and added 2 more USB ports, I installed my 1280 on parallel and the 2200 on USB and had no problems whatsoever.  
>  >
>  >Diane
>  > 
>  >
>
>
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