124Cleaning the scanner glass Ca Turn off the machine’s power switch.b Lift the document cover (1).Clean the white plastic surface (2) andscanner glass (3) underneath it withisopropyl alcohol on a soft lint-free cloth.c In the ADF unit, clean the white plasticbar (1) and the scanner glass strip (2)under it with isopropyl alcohol on a lint-free cloth.Cleaning the laser scannerwindow CCAUTIONDO NOT use isopropyl alcohol to clean thelaser scanner window.DO NOT touch the laser scanner windowwith your fingers.a Turn off the machine’s power switch.Unplug the telephone line cord first, andthen unplug the power cord from the ACpower outlet.b Open the front cover and take out thedrum unit and toner cartridge assembly.13212
