HP IIISi: "50 SERVICE"

Today I picked up a new fuser and replaced it, and now it works. However, there's a vertical line of what I can perhaps best describe as fog on every page. Last time I had something of the sort, replacing the toner cartridge (which includes a roller of some sort) fixed it. I slid the door over the roller open and the fog is visible on the roller too. Perhaps interestingly, this fog was not present on the first few pages printed (which were test pages); it showed up while I was printing "real data". Is this something that can be fixed, or will I just have to put up with it until I change toner cartridges? Also, the thing is giving me a lot of paper jams with the page stuck in the paper path after the fuser - sometimes they register as internal jams, sometimes as output jams. It's not consistent, but frequent enough to be annoying. Any ideas what could be causing that? /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mouse at rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B