Comment 4 for bug 151491

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Till Kamppeter (till-kamppeter) wrote :

The problem of showing three entries for the parallel port is not a problem of system-config-printer. system-config-printer only asks CUPS for available devices, doing an IPP request equivalent to "lpinfo -l -v". CUPS then starts all backends in /usr/lib/cups/backend/ without command line arguments. The entries which you see are derived from the backends' answers. The two entries of Gutenprint are from the "canon" and "epson" backends from Gutenprint and this problem is handled in bug 104166.

The problem of not being able to set up local printers without having the printer connected and turned on is an upstream problem of CUPS. See bug 151182 for more.

Please continue the discussion in bug 104166 or bug 151182 depending on which problem you want to talk about.