Dell B5460dn Mono Laser Printer - Manual (Page 12)

Indicator light Printer status
Off The printer is off or in Hibernate mode.
Blinking green The printer is warming up, processing data, or printing.
Solid green The printer is on, but idle.
Blinking red The printer requires user intervention.
Sleep button light Printer status
Off The printer is off, idle or in Ready state.
Solid amber The printer is in Sleep mode.
Blinking amber The printer is entering or waking from Hibernate mode.
Blinking amber for 0.1 second, then goes
completely off for 1.9 seconds in a slow,
pulsing pattern The printer is in Hibernate mode.
Learning about the printer 12