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All the Postscript hardcopy commands use the variables
ps-lpr-command and ps-lpr-switches to specify how to print
the output. ps-lpr-command specifies the command name to run,
ps-lpr-switches specifies command line options to use, and
ps-printer-name specifies the printer. If you don't set the
first two variables yourself, they take their initial values from
lpr-command and lpr-switches. If ps-printer-name
is nil, printer-name is used.
The variable ps-print-header controls whether these commands
add header lines to each page---set it to nil to turn headers
off. You can turn off color processing by setting
ps-print-color-p to nil.
The variable ps-paper-type specifies which size of paper to
format for; legitimate values include a4, a3,
a4small, b4, b5, executive, ledger,
legal, letter, letter-small, statement,
tabloid. The default is letter. You can define
additional paper sizes by changing the variable
ps-page-dimensions-database.
The variable ps-landscape-mode specifies the orientation of
printing on the page. The default is nil, which stands for
``portrait'' mode. Any non-nil value specifies ``landscape''
mode.
The variable ps-number-of-columns specifies the number of
columns; it takes effect in both landscape and portrait mode. The
default is 1.
The variable ps-font-family specifies which font family to use
for printing ordinary text. Legitimate values include Courier,
Helvetica, NewCenturySchlbk, Palatino and
Times. The variable ps-font-size specifies the size of
the font for ordinary text. It defaults to 8.5 points.
Many other customization variables for these commands are defined and
described in the Lisp file `ps-print.el'.
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