HP Color LaserJet 3800 Printer series - Manual (Page 157)

4. Place your thumbs on the fuser latches, squeeze the latches, and pull up on the fuser to remove
it.
5. On the fuser, lift the shutter door.
CAUTION Do not open the shutter door while the fuser is in the printer.
6. Remove any jammed sheets.
NOTE If the sheet tears, make sure that all fragments are removed before you resume
printing.
ENWW Clearing jams 143