I've got 4 packs of Texprint XP paper - the HR version - in A3 size for sale. One pack has been opened and has had a few sheets removed, the other 3 are still sealed.
Isn't HR - High Release?
Whilst we don't supply this paper I think it is the high release paper which means more of the ink stays on the surface of the paper and might need some drying time. The HR nature gives a greater release of ink into the substrate for more vibrant colour reproduction.