⚠
warning HP
Error Code LED blinks 3 times - Overheating Indicator
Overheating detected — internal temperature too high.
? What Causes This
Blocked ventilation or fan failure preventing proper cooling of the machine.
✓ How to Fix It
- Turn off and unplug the printer.
- Let the machine cool down for a while.
- Check that all vents and fans are clear from dust, debris, and obstructions.
Source: page 46 of the official manual
From the manual
This error code appears in:
HP Samsung Xpress SL M2020 Laser Printer Series