Samsung SL-M2625D-XAA - Manual (Page 25)

25 2. Basic Setup
Printing a demo page
Print a demo page to make sure that the machine is operating correctly.
To print a demo page:
In ready mode, press and hold (Cancel) button for about 2 seconds until the
status LED blinks, and release.
For a model with an Info sheet ( ) button, press the button to print a
demo page.