Magic Flight MD BOX Flight Manual page 15

burn-off
AFTER EACH USE...
To BURN-OFF...
Replacing the SCREEN:
5
simply BURN-OFF any excess concentrate to clear the screen,
reduce build up & maintain optimum taste.
after each hit, be sure to engage your power for a few seconds.
This will heat up the screen & burn away any residue to clear
the screen before your next use & maximize the longevity of
your screen.
It is time to replace the screen when the screen turns
ashy white, or if it breaks or sometimes the performance
may decrease.
 Replacement time depends on usage... 1-3 months or
longer.