Section 9 Maintenance
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9.3 Cleaning
Before starting to clean the MT882A, be sure to turn the main power switch on the
rear panel Off and disconnect the power plug from the power source.
9.3.1 Cleaning the cabinet
Clean the cabinet surface, as follows:
(1) Wipe the cabinet surface with a clean, soft, dry cloth.
(2) When the cabinet is severely stained with dust or particles or is to be stored for
a long time, wipe its surface with a cloth moistened with thinned neutral deter-
gent and then wipe with a clean, soft, dry cloth.
(3) If any screws anchoring the components are loosened, tighten them using the
specified tool (s).
CAUTION
For cabinet cleaning, do not use benzene, thinner, or
alcohol. They may damage the cabinet painting or cause
cabinet deformation or discoloration.
9.3.2 Cleaning others
Avoid dust or particles from accumulating on the MT8820A and its surroundings.
If water drops, etc. from on the power plug or connector, turn the main power switch
(on rear panel) Off and wipe the power plug or connector with a dry cloth.
WARNING
1. Remove dust, etc. accumulated on the outlet periodi-
cally. Accumulated dust on the electrodes may cause
tracking phenomena resulting in fire.
2. Remove dust, etc. around the fan so as not to obstruct
ventilation holes. Obstructed ventilation holes may
cause the internal temperature to rise, resulting in fire.
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