ℹ
info HP
Status Green light pulses
The printer is turning on or off, or doing a firmware update.
? What Causes This
Normal operation during startup, shutdown, or firmware update.
ⓘ What This Means
No action required. Wait for the operation to complete.
Source: page 7 of the official manual
From the manual
This error code appears in:
HP Smart Tank 7600 Printer