206 Océ TDS800 User ManualClean the reference rollerIf the reference roller is dirty or static, you must clean the reference roller.Attention: When you clean the reference roller, be careful not to damage thesensors on the scanner.▼ How to clean the reference roller1 Turn off the scanner.2 Press the grip at the right hand side, below the original feed table, to open thetop cover of the scanner (see Figure 117).Note: Make sure that you hold the top cover of the scanner.[117] Open the top cover of the scanner