HP LaserJet P2015 - Manual (Page 87)

Light status State of the printer Action
Ready
The printer is ready with no job activity.
To print a Configuration page, press and
hold the
Go button for 5 seconds.
To print a Demo page, press and release
the
Go button.
Processing Data
The printer is processing or receiving
data.
To cancel the current job, press the
Cancel button.
Table 7-2 Control-panel light messages (continued)
ENWW Status-light patterns 77