The MAKE_TEMP box contains the command which makes a downloadable font
temporary.
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 4, the font is made temporary.
To specify the Font Control command that makes a font temporary, type
following in the MAKE_TEMP box:
\x1B*c4F