Samsung ML-2251N/XAA Service Manual page 24

Summary of Product
2) Cancel button
Printing demo page
Printing configuration sheet
Cleaning inside printer
Canceling print job
Toner Save mode on/off
Service Manual
4-4
In Ready mode press and hold this button for about 2 seconds until
all LEDs blink slowly and release.
In Ready mode press and hold this button for about 6 seconds until
all LEDs blink quickly and release.
In Ready mode press and hold this button for about 10 seconds until
all LEDs turn on and release. After cleaning the printer one cleaning
sheet is printed.
Press this button during printing. The On Line/Error LED blinks while
the print job is cleared from both the printer and the computer and
then return to Ready mode. This may take some time depending on
the size of the print job.
In Manual Feed mode it is not possible to cancel the print job by
pressing this button.
In Ready mode, press this button to turn the Toner Save mode on or
off.
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