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

7
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TheM500andM600areconfiguredbydefaulttoparticipateinsuchadvertisement,wakingtheprinter
fromAutoOfftoSleep.DisablingSLPConfigwillallowtheprintertoremainin AutoOff.SLPisnot
commonlyusedforprintingservicesandthiswillgenerallyhavenoimpact.
SLP
ConfigcanbedisabledfromthelistinNetworktab,OtherSettings.
Bonjour
TheBonjourprotocolisadecentralizedservices‐discoveryprotocolusedbroadly,particularlybysystems
developedbyAppleComputer(e.g.AirPrint)andasadiscoverymechanisminHP’sUniversalPrinter
Driver.Bonjourcansimplifytheprocessofinstallingtheprinter.Sincetheprotocoloperatesby
sendingperiodicannounce ments, theprinterwillnot
remaininAuto‐Off.
BonjourcanbedisabledfromthelistinNetworktab,OtherSettings.
WebServicesPrint
WebServicesPrint(morecommonlyknownasWS‐Print )isusedtoquerytheprinterforinformation,
similartoSNMPbutusinganXMLformat.WS‐PrintisusedwidelybyMicrosoftWindowsVistaand7.
WS‐PrintquerieswillwaketheprinterfromAuto‐OfftoSLEEPinorder
torespond.
WebServicesPrintcanbedisabledfromthelistinNetworktab,OtherSettings.
WSDiscovery
WebServicesDiscoveryisalsoadecentralizedserviceadvertisementmechanism.Becauseit
periodicallymulticastspresenceandserviceupdates,itwakestheprinterfromAutoOff.Inaddition,
theWindowsVistaandWin7operatingsystemsmakeextensiveuseofWSDiscoverytodiscoverand
maintainthestatusofprinters.These
activitieswillwaketheprinter.
WSDiscoverycanbedisabledfromthelistinNetworktab,OtherSettings.
InstallingdriversforanAuto‐Off/Auto‐Onprinter
USBInstallation
SincetheUSBinterfaceisturnedoffwhentheprinterisinAuto‐Off,theprintershouldbeawakened
firstbypressingthepowerbuttonbeforestartingaUSBinstallation.
DevicediscoveryofAuto‐Off/Auto‐OnPrinters
WheninstallingwiththeproductinstallationCD,oneofthefirstactivitiesisasearchofthenetworkfor
theprinter.IftheprinterisalreadyinAuto‐Off,thoughthesearchactivitieswillwaketheprinter,the
responsemaynotbequickenoughforthesearchprocess.Inthatcase,
theinstallerprocesswillnotfind
thenewprinterandeitherreporttheotherprintersitfound,withoutthedesiredprinter: