Samsung MultiXpress X422x Series Administrator's Manual page 342

Cleaning the machine
4 Locate the LSU window cleaning hole and insert the LSU window
cleaning stick.
Slowly push and pull the LSU window cleaning stick 4 or 5 times to clean
the LSU window.
5 Insert the waste toner container until it locks in place.
X422x Series/X425x Series/X430x Series
Close the front cover. Ensure that the cover is securely closed.
6
X422x Series/X425x Series/X430x Series
If the front cover is not completely closed, the machine will not operate.
K425x Series/K430x Series/K435x Series
K425x Series/K430x Series/K435x Series
4. Maintenance
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