ℹ
info HP
Status White light grows from center to the edges and shrinks back, repeating
The printer is processing a job, it could be printing, copying, scanning or faxing.
? What Causes This
Normal operation during job processing.
ⓘ What This Means
No action required. Wait for the job to complete.
Source: page 7 of the official manual
From the manual
This error code appears in:
HP Smart Tank 7600 Printer