Sharp MX-C300W Operating Guide - Page 164
Cleaning The Original Scanning Glass (only When An Document Feeder Is Installed)
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ROUTINE MAINTENANCE CLEANING THE ORIGINAL SCANNING GLASS (ONLY WHEN AN DOCUMENT FEEDER IS INSTALLED) If white or black lines appear in copies made with using the document feeder, use a soft clean cloth to clean the original scanning glass. (If white or black lines appear in copies or printed pages when the document feeder is not used, see "CLEANING THE LASER UNIT" ). Example of dirty print image Black lines White lines CLEANING THE BYPASS TRAY PAPER FEED ROLLER If misfeeds occur frequently when feeding envelopes, heavy paper, etc. through the bypass tray. Before starting, remove the paper from the bypass tray. Turn the power switch off, remove the roller cover from the bypass tray and wipe the paper feed roller at the feed slot of the bypass tray with a soft, clean cloth dampened with alcohol or water. After cleaning the paper feed roller, attach the roller cover on the bypass tray, and then turn on the machine's power. Paper feed roller Warning When cleaning the rollers, be careful not to injure your hands. Note Do not touch the surface of the roller if your hands are dirty. CLEANING THE AUTOMATIC DOCUMENT FEEDER ROLLERS If you find that originals fed through the automatic document feeder misfeed or are soiled by the rollers, remove the rollers and clean them. If misfeeds or soiling continue to occur, replace the rollers. Before starting, remove any originals from the automatic document feeder. 1 Turn the power switch off. 2 Open the document conveyor cover on the automatic document feeder. 164