HP LaserJet Enterprise M500 and M600 Printer Series - Maximizing energy conservation

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Auto‐Off/Auto‐OnTechnology

TheM551,M601,M602andM603HPEco‐SmartLaserJetprintersfeatureAuto‐Off/Auto‐On

technologythatdramaticallyreducestheirpowerconsumption.Auto‐Off/Auto‐Ondisablesnon‐

essentialbackgroundfunctionstoreducepowerconsumptiontolessthanonewattwhentheprinteris

idle.

TheM500andM600seriesprintersprovide

fourpowermodes:

WhenOFF,theprinterwilldrawlessthanhalfawatt.TheprintercanbeturnedOFFmanually

withthepowerbuttonorautomaticallybythesleeptimer.WhenOFF,theprintercanbe

turnedbackononlywiththepowerbu tton.WhenOFF,thepower

buttonisunlit.

Whenenabled,asleeptimerputstheprinterintoAuto‐Offinwhichitdrawslessthanonewatt.

TheprinterwillawakeautomaticallyfromAuto‐Offforprintingandmaintenancetasksfromthe

network.WheninAuto‐Offthepowerbuttonwillblinkatapproximatelythree

second

intervals.

InSleep,theprinterdrawsapproximatelysixwatts(dependingonspecificmodels andinstalled

features)and,likeAuto‐Off,willreactautomaticallyforprintingandmaintenancetasks.The

controlpanelremainsfullyoperationalaswell.However,fromSleep,theprinterwillreact

morequicklythanfromAuto‐

Off.WheninSleep,thepowerbuttonwillblinkatapproximately

threesecondintervals,indistinguishablyfromAuto‐Off.

TheprintermustbeREADYforprintingandwillconsumepowerrangingfromtwentywatts

whenidle(waitingforjob)toseveralhundredwattswhileactivelyprinting.Theprinterwill

automaticallyfall

intoSleep,Auto‐Off,orOFF,basedonthesleeptimer.Whentheprinteris

READY,thepowerbuttonremainscontinuouslylit.

Thesemodesandtheirrela tionshipsareillustratedbelow:

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ConfiguredcorrectlytheseLaserjetprinterscanremainintheAuto‐Off/Auto‐Onstateformorethan

Auto‐Off

READY

OFF

Sleep

PowerButton

SleepTimer‐PowerButto nOnly

Power Button

Slee

Timer– AllEvents

Slee

Timer– NetworkPor

PrintJob

PowerButton

ControlPanel,

Maintenance

Events

SleepTimer–

NetworkPor

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M500andM600Series PowerStates