Hello, I don't know how to debug this further. Can someone recommend steps? Thanks in advance!
I'm trying to use HP LaserJet Pro P1606dn on a Raspberry Pi.
I followed the install instructions from the main page. (I did make, make install, make install-hotplug, make cups)
The first test page succeeded. (full duplex, printed the test page on both sides of one sheet.)
Forum: HP LaserJet Pro P1606dn