Chapter 7 Emulation
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The printing system also supports as many HP symbol sets as the LaserJet regularly sup-
ports and still other symbol sets can be provided in downloaded fonts. (A full list of the
supported symbol sets appear in section LaserJet Symbol Sets on page 37.) These symbol
sets can be used by appropriate font selection commands as explained below.
Fonts can be selected with PRESCRIBE commands, or through the printer driver pro-
vided with your software. The following font sample was created through driver support.
Figure 7. 15. HP LaserJet Word-Processing Printout
Additional soft fonts can be downloaded from external sources before printing begins.
The printing system selects the fonts by a set of command codes (escape sequences) that
describe the font attributes: character height, orientation, weight, character set, etc. (sim-
ilar to the parameters used with the FSET command of PRESCRIBE). The printing sys-
tem’s resident fonts include the HP resident fonts and many of the fonts from the HP font
cartridges.
The printing system supports the same soft fonts as the HP LaserJet printers. In addition,
the printing system understands the LaserJet command codes and can use them to select
any of its resident or downloaded fonts.
Since the LaserJet font selection codes are fairly complex (Refer to LaserJet Font Selec-
tion section.), software that supports the Laser Jet usually provides a simplified set of
font selection commands which the software translates into LaserJet command codes.
Software-provided font selection commands will work for the printing system as they
would for the HP LaserJet series printers. If a requested font is not present in the printing
system’s memory, the page printing system will choose from the characteristics of the
closest matching font.
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