I think its a problem with some of the linux usb drivers. I
have the same kind of a problem with my hp deskjet printer.
Works great on a parallel port (or usb in win98) but with
the usb port in linux, I get a lot of artifacts printed.
With graphics printing the frequency of disturbance in the
graphic is about the same as the artifacts in text, both
using the printer driver and just catenating the keyboard to
/dev/usb/lp0. I thought at first the problem was with cups
until I changed to the parallel port. Then I reverified the
usb port using win98.

Tom Berkley

[EMAIL PROTECTED] wrote:
> 
> Hi!
> 
> About two weeks ago I installed Mandrake 7.2 and everything ran fine but
> when I connected my robocam web cam and used xawtv to see if it worked,
> the image was full of garbage (lots of small black point all around). At
> the first time I thought that the problem were the USB drivers but then
> I noticed that plaympeg has the same problem.
> 
> I have a Toshiba Satellite 4015CDT with a chips CT65555 display.
> 
> Do you have any idea of why is this happening? Is there a problem with XFree4.01?
> 
> Thank you in advance!
> Ixcoatl
> 
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