Font Header Format
Font Header Format 16 was introduced with the HP LaserJet 4PJ for downloading large TrueType fonts. For the HP LaserJet 4V, Font Header Format 16 has been extended to support large bitmap fonts as well. The Font Header command ( ? ) s # W [font header data] ) is used to download font header data to the printer.
A large font is a bound font with character codes that are not limited to
Font Header Format 16 was introduced because some font data segments in large fonts could be larger than 65535 bytes, and this was not supported by Font Header Form at 15. The structures of Format 15 and Format 16 are identical with the exception of the Segment Size field in the Segmented Font Data format. Table