This enumeration determines which special actions the application may need to take when negotiating frames with the Source.

Values:

IG_TW_FA_CENTER	The alignment is centered. This means that the paper will be fed in the middle of the ICAP_PHYSICALWIDTH of the device.
IG_TW_FA_LEFT	The alignment is to the left.
IG_TW_FA_NONE	The alignment is free-floating.
IG_TW_FA_RIGHT	The alignment is to the right.