Samsung ProXpress M337x

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4.AlignmentandTroubleshooting

4.1.8.TechMode

4.1.8.1.EnteringtheTechMode

Inservice(tech)mode,thetechniciancancheckthemachineandperformvarioustesttoisolatethecauseofamalfunction.

WhileinTechmode,themachinestillperformsallnormaloperations.

ToentertheTechMode

•M337xseries/M387xseries/M407xFR/M4072FD

-ToentertheTechMode,press“Menu+#+1+9+3+4”insequence

•M407xFX

-Toentertheservicemode,press1,2,3numberkeyssimultaneously.Whenthepassworddialogboxappears,

enter“1934”andpressthe“OK”button.

Samsung ProXpress M337x - Tech Mode