Xerox 785 - Manual (Page 309)

WorkCentre Pro 665/685/765/785 B-19
To replace the Ozone Filter:
8. Remove the Ozone Filter from the inside of the machine. Then,
place the new ozone filter into the machine.
9. Close the Top Cover. Press down on the Top Cover until a “click”
is heard to ensure the latches engage.
Ozone Filter
077
Top Cover
101