Apple ColorLaserWriter 12/600PS - Manual (Page 324)

Replacing the fuser
1 Turn off the printer and unplug it.
IMPORTANT Wait 10-15 minutes to let the fuser cool down.
2 Open the printer’s door.
3 Remove the fuser oil bottle and put it (upright) in a safe place.
IMPORTANT The fuser oil is very slippery. If it spills on the floor, use paper
towels or other absorbent material to clean it up immediately.
4 If necessary, close the face-up delivery tray.
5 Open the door to the paper pickup area.
304 Appendix F