⚠
warning HP
Error Code LED slow blinking light (blue)
Printer wireless connection is established but not connected to the network or printer is out of range.
? What Causes This
The printer has detected a wireless signal, but cannot connect to it.
✓ How to Fix It
Move closer to access point if possible and check that SSID settings match. Turn off and back on the printer.
Source: page 5 of the official manual
From the manual
This error code appears in:
HP Officejet 3833 All IN One Printer