HP Deskjet 5850 Color Inkjet Printer - Manual (Page 179)

Off Verify the following:
●
The Ethernet cable is securely connected to the
printer.
●
The network hub , switch , or router is on and working
properly.
●
The printer is connected to the network.
activity light
Follow these steps if the Link light is on, but the printer does not print:
1. Wait until the printer is idle.
2. Try to reprint the document.
3. Look at the Activity light on the back of the printer.
if the activity light is... then do this...
Flashing
The Ethernet connection is operating correctly.
Try these
solutions again.