!
error HP
Error Code LED blinks when toner is due or invalid
Toner cartridge warning, either due for replacement soon or malfunctioning.
? What Causes This
Near-empty or defective toner cartridge.
✓ How to Fix It
- Press the stop/clear button to reset message temporarily if needed.
- Replace with new compatible Samsung brand toner (see page 8.5).
Source: page 15 of the official manual
From the manual
This error code appears in:
HP Samsung Xpress SL M2885 Laser Multifunction Printer Series