ps-black-white-faces-alist

ps-black-white-faces-alist is a variable defined in `ps-print.el'.
Its value is

nil

Documentation:
Alist of symbolic faces used for black/white PostScript printers.
An element of this list has the same form as `ps-print-face-extension-alist'
(which see).

Don't change this list directly; instead,
use `ps-extend-face' and `ps-extend-face-list'.
See documentation for `ps-extend-face' for valid extension symbol.
See also documentation for `ps-print-color-p'.