5.2 MaintenanceAdjusting ShadingThe scanning unit becomes dirty, it can alter the shading value. If yourprint has black lines or is blurred, adjust the shading setting. Take thefollowing steps:1. Load a sheet of white paper into the document feeder.2. Press Setup on the front panel.The display shows the first setup menu; FAX NUMBER/NAME.3. Press ➛ or ❿ until ‘MAINTENANCE’ appears,then press Start/Enter.The display shows the first menu; CLEAN DRUM.4. Press ➛ or ❿ until you find ‘ADJUST SHADING’, then pressStart/Enter.The white paper is scanned through the document feeder.Cleaning the OPC DrumIf you are getting streaks or spots on your print, you may clean the OPCdrum.1. Make sure that the paper is loaded in the automatic input tray.2. Press Setup on the control panel.The display shows the first setup menu; FAX NUMBER/NAME.3. Press ➛or ❿ until ‘MAINTENANCE’ appears, then press Start/Enter.4. The display shows the first menu, ‘CLEAN DRUM’, then pressStart/Enter.The machine automatically pulls in a sheet of paper, and prints it out.The toner particles on the OPC drum surface are fixed to the paper.5. Press Stop to return to Standby mode.