ftp://ftp.pwg.org/ftp/pub/pwg/ipp/new_DIR/slp-printer-template.txt
ftp://ftp.pwg.org/ftp/pub/pwg/ipp/new_DIR/slp-printer-template-th.txt
I also added the following to the pages-per-minute-color:
# Black and white only printers do not have this attribute.
# If this attribute is present, then the color-supported
# attribute MUST be present and have a 'true' value.
Tom Hastings
(310) 333-6413