1. A print media transport apparatus comprising:an endless track comprising:
a printing zone,
a descending zone, and
an ascending zone; and
a plurality of pallets circulating on the endless track, each pallet of the plurality of pallets having a upper surface to support print media, the plurality of pallets forming an endless loop, adjacent pallets being linked by a coupling mechanism allowing variable spacing between the adjacent pallets, wherein while a pallet is on the printing zone of the track, the spacing remains constant, and while a pallet is on the descending and ascending zones of the track, the spacing is at a minimum.