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12-04-2013 11:34 AM
I just downloaded and installed the latest driver for this machine, upd-pcl6-x64-184.108.40.20648.exe released a few weeks ago. I found a problem and hope someone can verify and fix it later. That is, when I change the "Paper type:" to something other than "Unspecificed", I cannot print double-sided anymore. The step is really easy to reproduce, please let me know if I miss anything.