The LinePrinter font (as resident on many HP LaserJet devices) is a bitmap font; it is usually available in half-a-dozen or so variants, each bound to a different symbol set.
As it is a bitmap font, it is not scaleable; it is only available in the one fixed size (16.67 characters-per-inch, 8.5 point); the typeface is sans-serif.
A typical font selection sequence would be:
{esc}(0N{esc}(s0p8.5v16.67h0s0b0T
where {esc} represents the escape character (0x1b); '0N' is the ISO8859/1 (Latin-1) symbol set.