Samsung ML-1860 - Manual (Page 41)

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cancel the selected job and select the Show completed jobs check
box to see previous jobs on the job list.
• Classes: This option shows the class that your machine is in. Click
Add to Class to add your machine to a specific class or click
Remove from Class to remove the machine from the selected
class.
4. Click OK to apply the changes and close the Printer Properties
window.