The MAKE_PERM box contains the command which makes a downloadable font
permanent.
HP LaserJet IIP
For the HP LaserJet IIP printer, the Font Control command (ESC*cnF) deletes
downloaded fonts, makes downloaded fonts temporary, makes downloaded fonts
permanent, and so on. If n is 5, the font is made permanent.
To specify the Font Control command that makes a font permanent, type the
following in the MAKE_PERM box:
\x1B*c5F