Samsung CLX-8640ND - 4.5. Service Mode (Tech Mode)

4.Troubleshooting
4.5.ServiceMode(TechMode)
4.5.1.EnteringandExitingServiceMode
Toentertheservicemode,press1,2,3numberkeyssimultaneously.Whenthepassworddialogboxappears,enter
“1934”andpressthe“OK”button.
Toexittheservicemode,pressthehomebuttonorbackbutton.
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