45376001TH Rev.1 145 /Oki Data CONFIDENTIAL 6. Periodic Maintenance6.6 How to clean the document glassIt is recommended to clean the document glass once a month to maintain image quality ofthe printouts.(1) Open the document glass cover.(2) Wipe the document holding pad, document glass and ADF document glasssurface with a soft cloth lightly moistened with water.Do not use benzine, thinners or alcohol as a cleaning agent. They maydamage the plastic parts of the MFP.(3) Close the document glass cover.Document holding padDocument glassADF document glass