惠普 Designjet T120 T520 绘图仪英文维修手册.pdf

DESIGNJETT120/T520ePrinterSeries

ServiceManual

ivNoticesENWW

Usingthismanual

Thisservicemanualcontainsinformationnecessarytotest,maintain,andservicethefollowing:

HPDesignjetT120BasicPrinter24inchCQ891A

HPDesignjetT520ProPrinter24inchCQ890A

HPDesignjetT520ProPrinter36inchCQ893A

Forinformationaboutusingtheseprinters,seetheusersguide.

Readership

TheproceduresdescribedinthisservicemanualaretobeperformedbyHPCertifiedservicepersonnel

only.

Partnumbers

PartnumbersforprinterservicepartsarelocatedinPartsanddiagramsonpage126.

ENWWv

viUsingthismanualENWW

Tableofcontents

1Printerfundamentals1

Overview1

Usingthefrontpanel2

Start-upsequence3

Subsystems5

2Troubleshooting34

Printertroubleshootingflowchart35

Basicprintertroubleshooting36

Systemerrorcodes39

Papertroubleshooting61

Communicationtroubleshooting66

Ink-suppliestroubleshooting70

Print-qualitytroubleshooting83

Updatethefirmware97

3Supportmenus101

Enteringthesupportmenus102

Supportmenu104

ExtendedSupportmenu124

4Partsanddiagrams126

Introduction126