145 • MaintenanceCleaningFrom time to time print “debris” such as ink, toner and paper dust will accumulate inthe ADF and the document glass from documents which have been copied.the unit casing1. Switch off the MFP.2. Wipe the unit surface with a soft cloth moistened sparingly with water or neutraldetergent.3. Use a soft dry cloth to dry the unit surface.4. Turn on the MFP.the paper path in the ADFIf marks are found on an image, which has been read by the ADF, or the ADF doesnot feed documents smoothly, follow the cleaning procedure below.1. Switch the MFP OFF.2. Open the ADF top cover.Caution!Use a clean, moist, lint-free cloth for cleaning. Do not use benzine,thinners or alcohol as a cleaning agent.