⚠
warning HP
Error Code Error icon and Paper Error icon blinking
Printer detects that there is no paper in the input tray.
? What Causes This
Paper not loaded or jammed in input tray.
✓ How to Fix It
Load paper and ensure it is properly positioned. Clear any jams and then load more paper.
Source: page 50 of the official manual
From the manual
This error code appears in:
HP Ink Tank 310