I upgraded my hplip to version 3.10.9 and am still facing the same problem as mentioned originally: duplexing only works as short-edge, even when set to long-edge. Incorrect page order also applies. I am attaching the output from my hp-check.
I upgraded my hplip to version 3.10.9 and am still facing the same problem as mentioned originally: duplexing only works as short-edge, even when set to long-edge. Incorrect page order also applies. I am attaching the output from my hp-check.