ℹ
info HP
Status Blue LED blinking
The machine is connecting to a wireless network.
? What Causes This
Network connection process initiated.
ⓘ What This Means
Wait for the connection process to complete; if unable to connect, check network settings or contact IT support.
Source: page 43 of the official manual
From the manual
This error code appears in:
HP Samsung Xpress SL M2020 Laser Printer Series