⚠
warning HP
Error Code Number Counter icon shows a blinking A with Alert icons on
Printhead alignment process failed or needs to be initiated from the control panel.
? What Causes This
Misalignment detected, might arise due to printer movement or other mechanical issues.
✓ How to Fix It
Perform printhead realignment manually via the control panel buttons as per instructions. Scan an align page if necessary.
Source: page 10 of the official manual
From the manual
This error code appears in:
HP Smart Tank 510 Wireless All-in-One