Maintenance and DisassemblyService Manual 3-22 Samsung Electronics3.1.8 Cleaning the machineTo maintain print and scan quality, follow the cleaning procedures beloweach time the toner cartridge is replaced or if print and scan quality problems occur.Caution• Cleaning the machine cabinet with cleaning materials that contain large amounts of alcohol, solvent, orother strong substances can discolor or damage the cabinet.• If your machine or its surrounding is contaminated with toner, we recommend you to use cloth or tissuedampened with water to clean it. If you use a vacuum cleaner, toner blows in the air and might be harmfulto you.3.1.8.1 Cleaning Items and IntervalItem Interval or WhenReplacement consumable(Toner Cartridges, Imaging Units, WTB )When displayed “Toner Empty” or “Replace Drum” or“Waste Toner Full” .Cleaning of Feed frame and Feed Rollers onthe paper-path Misfeeds or Jams occur frequentlyCleaning of Document (Platen) glass The same copy area is dirty whenever making copies.Original cannot be cleanly scanned.Cleaning of Platen Cover (sheet-sponge)Cleaning Feeder and PAD in the DADF Originals have black streaks or appear dirty after feedingthem in the DADF.Cleaning of LSU glass Streaks appear on copy sheetCleaning of Document glass for DADFCleaning of original guide plate in rear side ofDADF and DADF roller Misfeeds or Jams occur frequentlyFasten the rest of the guide in the paper tray(Width Guide and Length Guide) Misfeeds or Jams occur frequentlyPick up a stack/tray of paper and fan it toremove static cling Multi-feeds occur frequentlyReplace the Transfer roller Image ghost, Light image, paper’s rear side contaminationoccur.
