I am not able to reproduce this issue. You are using the old version of hplip 3.12.2-0ubuntu1. Can you please download the latest hplip from www.hplip.net and install it. Try again the same procedure and let me know whether you're getting the issue.
I am not able to reproduce this issue. You are using the old version of hplip 3.12.2-0ubuntu1. Can you please download the latest hplip from www.hplip.net and install it. Try again the same procedure and let me know whether you're getting the issue.