This is totally off-the-cuff, and I may end up looking like a total idiot due to my lack of knowledge of laser printers, but could it be the fuser? I really doubt it's anything other than the ...

The HP LaserJet M209dW seems too good to be true, a remarkably compact and fast monochrome laser printer that often sells for under $100. When prices are cut that low, there have to be some tradeoffs.