Samsung MultiXpress X703 Series User Manual page 389

Cleaning the machine
4 Take out the LSU window cleaning stick (X703 series only). 5 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 (X703 series only).
6 Insert LSU window cleaning stick back into its place (X703 series only).
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4. Maintenance