This object declares whether the device has the ability to
fold and or staple booklet documents delivered to the specifie
output destination, and whether this ability is currently turn
on indicates booklet folding and/or stapling is supported to
output destination and that it is turned on.
off indicates booklet folding and/or stapling is supported to
but that it is turned off. If a job calls for a
booklet folding and/or staple, none will be given.
notPresent indicates booklet folding and/or stapling is
not supported.
The value other shall mean not specified.