System 720 (130-1267) Maintenance Faxback Doc. # 7640 WARNING: FOR YOUR PERSONAL SAFETY, BE SURE TO DISCONNECT THE AC POWER CORD BEFORE PROCEEDING WITH ANY MAINTENANCE OR CLEANING. CLEANING THE HEADS For continued high performance from your unit, periodically clean the heads, pinch rollers and capstans, whenever an accumulation of dust or red-brown oxide particles appears. To do this, press both STOP/EJECT buttons. Remove any cassettes still in the compartments and switch off the power. Carefully rub the faces of each head, pinch roller and capstan with a cotton swab moistened with isopropyl alcohol or special head-cleaning fluid. CLEANING THE CABINET Use a soft cloth moistened with plain lukewarm water and wrung dry. Never use benzol, benzine or other strong chemical cleaners, since these could damage the finish of your unit. It is important that no liquid reaches the inside of the unit. (br/all-9/19/94)