I've never personally experienced this problem but if it were me, I'd double check to make sure that waste toner isn't backed up in the auger before...
Could you elaborate in detail on what exactly what you mean by pre-stage a driver? I've heard you metion this before and its something that I feel I...
I always update firmware at the first opportunity. However, I will always defer to blackcat and rthonpm simply because they have much more experience...