HP LaserJet P2015 - Manual (Page 89)

Light status State of the printer Action
Fatal Error ● Turn off the printer, wait 10
seconds, and turn on the printer.
● If you are unable to resolve the
problem,
Contact HP support .
Accessory Error To display additional error information,
press the
Go button. The light pattern
changes. For more information about the
light pattern now displayed, see
Table
7-3 Accessory error indicators . When
you release the Go button, the printer
returns to the initial Accessory Error
state.
Table 7-2 Control-panel light messages (continued)
ENWW Status-light patterns 79