Samsung SCX4521F Service Manual - Page 65

Tech Mode and Setting, 2.1 How to Enter Tech Mode

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Alignment and Adjustments 4.2 Tech Mode and Setting 4.2.1 How to Enter Tech Mode In service (tech) mode the technician can check the machine and perform various tests to help with failure diagnosis. When in Tech mode the machine still performs all normal operations. To enter the Tech mode (SCX-4521F) To enter the Tech mode press in sequence and the LCD briefly displays 'TECH', the machine has entered service (tech) mode. To enter the Tech mode (SCX-4321) To enter the Tech mode press in sequence and the LCD briefly displays 'TECH', the machine has entered service (tech) mode. 4-5 Service Manual Samsung Electronics

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Samsung Electronics
Service Manual
Alignment and Adjustments
4-5
4.2 Tech Mode and Setting
4.2.1 How to Enter Tech Mode
In service (tech) mode the technician can check the machine and perform various tests to help with failure
diagnosis.
When in Tech mode the machine still performs all normal operations.
To enter the Tech mode (SCX-4521F)
To enter the Tech mode press
in sequence and the LCD
briefly displays
‘TECH’,
the machine has entered service (tech) mode.
To enter the Tech mode (SCX-4321)
To enter the Tech mode press
in sequence and the LCD
briefly displays
‘TECH’,
the machine has entered service (tech) mode.