HP Color LaserJet Enterprise M855 Printer series - Manual (Page 101)

9. Remove any jammed paper.
10. Close the jam-access door on the right side of the
high-capacity tray cabinet.
NOTE: If after clearing the jam the product
control panel displays a message that there is no
paper in the tray or the tray is over filled, remove
the tray and look behind it for any remaining
paper.
Clear output jams in the output-accessory bridge
The output-accessory bridge is installed on products with an optional finishing accessory. The output-
accessory bridge transfers paper from the output slot near the control panel, across the top of the product,
and into the finishing accessory. Use the following procedure to clear jams in this area.
ENWW Clear jams 93