Frankly, I can't figure out how to open it--the only doors I can find are the ones on the back for the alternate paper feed, and the toner door.<br><br>Here's what the jam looks like, if you are ...

I have this 4100 here at work that has recently developed a habit of reporting paper jams when there really aren't any. I've torn this thing all apart looking for the teeny bits of paper that ...

You may print hundreds or even thousands of pages on your HP LaserJet printer between cartridge ... toner in the drum before it transfers to the paper. Consequently, occasionally cleaning the ...