On Sat, 2014-10-11 at 21:26 -0400, Kevin Cummings wrote: > I opened the Network Printer expansion, > but the printer I was looking for was not present, so I decided to enter > it manually. While I was trying to figure out how to do that, an entry > for the printer "magically" appeared in the network list! I guess it > took a little time to "find" it. There would have been a "spinner" in the status bar at the bottom, similar to how Evolution shows that it's busy with a task. The delay is due to asking CUPS to report all devices discovered by the backends that deal with network printing, and it takes a while for them all to report back. > It came up with the > bjnp://ip-address/:8611 URL. When I selected it, it took a few minutes > to "find and install" the proper print driver, and not long after that, > I had printed a test page. < 10 minutes! This delay is largely disk-bound: CUPS has to read all the PPDs and run the dynamic drivers (foomatic and gutenprint). > Great job. It would have been nice if this could have all been done > automatically with CUPS finding all the right drivers automatically (ie, > not having to install the cups-bjnp and cnijfilter-mg5500series RPMs > myself), but, otherwise, a grand job of easing the installation! If I understand correctly, cups-bjnp is the backend that discovers the printer. So there's no way to know in advance that it needs to be installed; it would have to be installed by default. Tim. */
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