Service Mode; Entering The Service Mode - Samsung ProXpress M456x Series Service Manual

4. Troubleshooting

4.5. Service Mode

4.5.1. Entering the Service Mode

To enter the service mode,
1) Press "Power button".
2) When the pop-up window is displayed, press pop-up area except "Cancel" and "Turn Off" button until the password
window will be displayed.
3) Enter "1934" and press the "Done" button.
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