ℹ
info HP
Status LED on solid green
Printer is on and ready for operation — current status OK.
? What Causes This
No known issue, printer operating normally.
ⓘ What This Means
None required; monitor operation until a potential issue arises.
Source: page 152 of the official manual
From the manual
This error code appears in:
HP Laserjet 1300 Printer