HP Fax 650 - Manual (Page 6)

5. Press down slightly on the insides of both locks on the old card’s
bezel (see figure 2), then swing them outward until the bezel
disengages (see figure 3).
6. Grasping the left and right edges of the bezel, pull out until the tray is
about half exposed.
7. Grasping the sides of the tray, remove the card from the router.
8. Holding the new interface card by the sides of its tray, slide the back
of the tray about half-way into the router.
Figure 2. Unlocking Card Bezel
Figure 3. Disengaging Card Bezel
Installation
Install interface card.
6