PSC 950 problems

Hello,

i use a HP PSC 950 with SuSE 9.1. After boot the printer works, but xsane 
founds no scanner. When i restart the ptal-device, xsane find the scanner
(and i can work with it), but now the printer or the spooler reacts no more!
I stop the ptal-device and restart the cups-server, then i restart the 
ptal-device: no success! All the same in which order: unsuccessful!
Only a reboot of the system helps. Is it the USB driver? Note i have a digital 
camera connected with USB with no problems.
What can i do?

Best regards,
Michael


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