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Using Gutenprint 5.2.9 under Mac OS X 10.7.4, I can't get either the Deskjet 932C or the Deskjet 5550 to print double-sided.
P 47 of the Gutenprint manual implies that duplexing should work on both.
Any ideas what I'm forgetting? Thanks
The PCL driver for HP DeskJets does not support duplexing. Generally, duplexing is only supported for laser printers. At the present time there is no maintainer for the PCL code to fix this issue. I would suggest that you try the HPIJS drivers from http://www.linuxfoundation.org/collaborate/workgroups/openprinting/macosx/hpijs
Thanks for the response and the further pointer!