!
error HP
Error Code LED blinks (paper error & printhead error indicators)
Printer is out of paper or has a printhead problem.
? What Causes This
Empty paper tray, blockage/fault in the printhead assembly.
✓ How to Fix It
- Refill the paper tray if empty or clear any paper jams.
- If a printhead error persists, replace the faulty printhead with a new one from HP support.
Source: page 9 of the official manual
From the manual
This error code appears in:
HP Deskjet GT 5810 All-in-One Printer