HP Value Serial/USB Receipt Printer II Uživatelský manuál Strana 9

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Chapter 1: Diagnostics and Conguration
9
Chapter 1: Diagnostics and Conguration
The printer performs a number of diagnostics that provide useful information about the operating status of the printer.
The following diagnostic tests are available.
• Start-updiagnostics
Performedduringtheprintersstart-upcycle.
• Runtimediagnostics
Performed during normal printer operation.
• Remotediagnostics
Maintained during normal operation and reported in the print test.
• Theprintercanbeconguredwiththefollowingsettingsandfunctionsthroughthecongurationmenuthatisprinted
onthereceipt.Formoreinformationonconguringtheprinter,see“Printerconguration”onpage13.
Communication interfaces
Diagnostic modes
Printer emulations/software options
Hardware options
PaperType
Firmware features
Start-up Diagnostics
Whentheprinterreceivespowerorperformsahardwarereset,itautomaticallyperformsthestartupdiagnostics(also
knownaslevel0diagnostics)duringthestart-upcycle.Thefollowingdiagnosticsareperformed:
• Turnoffmotors
• PerformbootCRCcheckofthermwareROMandtestmainprogramCRC
FailurecausesStart-upDiagnosticstostop;theprinterbeepsandtheLEDashesasetnumberoftimes,indicatingthe
natureofthefailure.Thetableinthe“Indicators”section(page12)describesthespecictoneandLEDsequences.
• Checkifpaperispresent
• Returntheknifetothehomeposition
Failurecausesafaultcondition.Thetableinthe“Indicators”section(page12)describesthespecictoneandLED
sequences.
• Checkifreceiptcoverisclosed
Failuredoesnotinterruptthestart-upcycle.
Atpowerup,iftheLEDblinkstwice,everyfourseconds,theobjectstorageareasarebeinginitialized.Thisprocesscould
takeuptotwominutes.Oncetheobjectstorageareainitializationiscompletetheprinterwillcontinuewithitsnormal
startupprocedureandoperation.DONOTRESETTHEPRINTERUNTILTHISPROCESSISCOMPLETE.
Whenthestart-updiagnosticsarecomplete,theprintermakesatwo-tonebeep(lowthenhighfrequency),thepaperfeed
buttonisenabled,andtheprinterisreadyfornormaloperation.
Iftheprinterhasnotbeenturnedonbefore,oranewEEPROMhasbeeninstalled,thedefaultvaluesfortheprinter
functionswillbeloadedintotheEEPROMduringstart-updiagnostics,andtheprinterwillmakeaquickfour-tonebeep
(highthenlowfrequency,twice)
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