>Thanks Ed...
>I change the driver of the same printer and the problem was fixed, now I ask you a question, Can that happen often?, I mean, that the driver is ruined ?
No, it's the way the driver is written - HP tends not to reset the FPU/MMX registers to a known state, which ahs caused problems in the past, and one reason that MS doesn't ship HP's latest and greatest drivers at all times. The MS drivers tend to be stable and reliable, though.