Despite the sophistication of the software, the great drawback of the PCWs was the exclusive reliance of the early models (the PCW 8256 and 8512) on a poor quality dot matrix printer, coupled with the eventual introduction (with the 9512) of a high quality daisy wheel printer that could "not" print any of the wide range of non-alphanumeric symbols which the LocoScript software was capable of producing. The software was seriously hamstrung by the poor quality of the hardware: but this was due in large part to a commercial decision not to provide any support for third-party printers so long as the software remained exclusive to the PCW format.