HP 3500 - Manual (Page 136)

12. Press the ridges on the tab on the left side of the door, and fit the peg into the round
hole.
13. Close the lower rear door (rear output bin).
124 Chapter 7 Maintenance ENWW
Note After replacing the fuser, you must also replace the pickup roller. See To replace the pickup
roller for instructions.
To replace the pickup roller
Note The printer should still be turned off.
1. Remove Tray 2 and place it on a flat surface.