The “(Z) Press Z to open cover and remove paper.”. Error message appears when a paper misfeed occurs inside the duplex unit.
The inside of this printer becomes very hot. Before removing paper around the fusing unit, wait until the temperature of the covers inside the fusing unit and duplex unit cool down.
A paper misfeed occurs in the duplex unit. Open the front cover (Z) to remove the misfed paper.
Open the printer's front cover (Z) by pressing the button on the right side.
Carefully remove misfed paper.
Carefully close the front cover (Z).
When closing the front cover, push the upper side of the cover firmly. After closing the cover, check that the error is cleared.