ℹ
info HP
Status Green light pulses in the center, and extends outwards as blue, repeating
The printer is identifying itself, when triggered by an iOS device through Printer Settings.
? What Causes This
Normal operation when iOS device initiates printer identification.
ⓘ What This Means
No action required. This is a normal identification process.
Source: page 7 of the official manual
From the manual
This error code appears in:
HP Smart Tank 7600 Printer