02-02-2020, 05:10 PM
If not the cables, maybe that hub is dying. I'd move the printer closer and do a test with a different 6' or less cable directly connected, and if that works, slowly try each part of your original connection to see what causes the problem to appear.
6' cable alone.
6' cable with extension
6' cable without extension, connected to hub.
6' cable with extension to hub.
12' cable alone.
12' cable with extension
12' cable without extension, connected to hub.
12' cable with extension to hub.
6' cable alone.
6' cable with extension
6' cable without extension, connected to hub.
6' cable with extension to hub.
12' cable alone.
12' cable with extension
12' cable without extension, connected to hub.
12' cable with extension to hub.