HP LineJet Printers - PCL-II/LinePrinter Plus Technical Reference Manual, 171249-001PX

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Chapter 3 Configuring the P-Series Emulation with Control Codes
Elongated (Double High) Print, Set/Reset
ASCII Code SFCC w n
Hex Code SFCC 77 n
Dec Code SFCC 119 n
Purpose Turns double-high character printing on and off. Double-high
characters are standard width but twice as high.
where
n = 1 or 49 (hex 01 or hex 31) turns double high printing on
n = 0 or 48 (hex 00 or hex 30) turns double high printing off
Discussion The OCR A and OCR B fonts cannot be printed in double high.
If Superscript/Subscript (SFCC S) is combined with Double High
printing,
only Double High printing will occur.
Example The following illustrates double-high character printing.
Emphasized Print
ASCII Code SFCC E
Hex Code SFCC 45
Dec Code SFCC 69
Purpose Selects emphasized character print format.
Discussion When the emphasized print control code is received, all
characters will be printed in emphasized print until reset by the
emphasized print reset control code or printer reset. The
emphasized print attribute is implemented by horizontal
“shadow” printing.
Emphasized print is ignored during superscript or subscript
printing, and when 15-20 cpi characters have been selected.
Example The following sample illustrates emphasized character printing.
Note It is recommended to use double Line Feeds and Carriage
Returns when double-high character printing is on (after an
SFCC w control code has been sent), or else the printer will
overstrike text that has already printed.