HP 220240 - Manual (Page 199)

7. Grasp the new filter by its tab and slide it into place.
CAUTION:
Always handle the filter by its tab and not by its mesh sides.
The mesh sides are fragile and can be damaged easily.
MLO-004882 (Figure 7-52; 16 picas)
8. Fold the filter tab in and close the filter cover until it snaps into place.
MLO-004883 (Figure 7-53; 16 picas)
Maintenance 7–43