ps-mode-print-function

ps-mode-print-function is a variable defined in `ps-mode.el'.
Its value is shown below.

• This variable may be risky if used as a file-local variable.

Documentation:
Lisp function to print current buffer as PostScript.

You can customize this variable.

Value:

(lambda nil
  (let
      ((lpr-switches nil)
       (lpr-command
	(if
	    (memq system-type
		  '(usg-unix-v hpux irix))
	    "lp" "lpr")))
    (lpr-buffer)))