B Parker wrote: > Bus 002 Device 012: ID 0765:d094 X-Rite, Inc. X-Rite DTP94 > [Quato Silver Haze Pro] Sounds promissing then. > I've just tried copying the 55-Argyll.rules into /etc/udev/rules.d, and run > "spotread", but it still doesn't seem to communicate. You need to give more details. Is it listed in (say) spotread usage ? If so, what is the debug trace output (-D option) when you try to use it ? What other messages are there ? Graeme Gill.