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. |