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LQ and FX Emulation Command Summary
SI / ESC SI
These commands print 10 cpi characters in a 16.66 cpi font, and 12
cpi characters in a 20 cpi font. On an actual LQ or FX printer,
these commands condense the font.
ESC x
This command is normally used to select between draft and LQ
quality with an LQ or FX printer. However, this command has no
effect on your printer’s print quality since all characters are printed
at 300 dpi (dots per inch).
ESC w
This command produces double-height characters but differs
between LQ and FX emulation modes, as follows:
LQ mode - If you send the ESC w command when the
print position is set at the first line of the logical page, LQ
printers print only the bottom half of the characters.
Your printer prints the entire character.
FX mode - When combining ESC w and ESC W to produce
double-width, double-height characters, FX printers do not
increase the stroke weight for vertical lines. Your printer in FX
emulation does increase the vertical line weight. Also, when
this command is set with the print position set at the first line
of the page, FX printers change the baseline position in order to
print the entire character. For your printer, the baseline is not
changed.
ESC &, ESC K, ESC L, ESC Y, ESC Z, ESC *, and ESC ^
This printer uses an image processing technique that emulates, as
closely as possible, the image densities available on FX and LQ
printers. Because of this process, the graphics commands listed
above do not produce exactly the same output on the printer that
they would on an FX or LQ printer.
Appendix C
C-17