I tried the native driver on NT4, and it was a crashfest. Probably not relevant to you! We are using these under PS4 / 2003 using the UPD and it works well. - Bob _____ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Berny Stapleton Sent: Tuesday, February 17, 2009 3:13 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] Xerox WorkCentre 56xx and 52xx Anyone got any experience with them under Citrix? Using the native driver? Using the UPD? Berny