I solved this problem myself. This is a USB printer. It turned out that you need to turn the machine off then turn it on again to register with the system. Thanks to those who have tried to solve this problem. On 7/6/05, Ping-Wu Zhang <pwzhangz@xxxxxxxxx> wrote: > After a YUM update last night, today I found my printer (HP1012) not > working. Error message: > > Unsupported personality: PCL > > I booted back to the previous 2.6.11 kernel, problem persists. I > tried a test page from CUPS, same problem. Test page form the printer > itself was OK. Anythought? Thanks. >