HP LaserJet 9050 Printer series - Manual (Page 60)

58 Chapter 2 Printing tasks ENWW
3 Adjust the guides to touch the envelope stack without bending the envelopes. Make sure the
envelopes fit under the tabs on the guides.
4 Change the fuser levers (see To change the fuser levers ).
To change the fuser levers
1 If an optional output device is installed, slide it away from the printer to access the left door.
2 Open the left door.
WARNING! Avoid touching the adjacent fusing area. It can be hot.