4. Alignment and Troubleshooting
4-23
Samsung Electronics
Service Manual
SCX-483x/5x3x series
4.1.8 Tech Mode
4.1.8.1 Entering the Tech Mode
In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of
a malfunction. While in Tech mode, the machine still performs all normal operations.
To enter the Tech Mode
* SCX-5737FW (GUI model)
To enter the service mode, press 1,2,3 number keys simultaneously. When the password dialog box appears,
enter “1934” and press the “OK” button.
* SCX-483x/563x series (LCD model)
To enter the Tech Mode, press “ Menu + # + 1 + 9 + 3 + 4 ” in sequence
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