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1. Remove filter assy
Open  the  front  panel.  Push  the  left  and  right
filters  to  make  them  break  away  from  the
groove on the front case. Then remove the left
and right filters one by one.
Left filter
Groove Right filter
Front 
case
Front panel
C6 display 
Display
C6 panel display: Screw off the 2 
screws that are locking the display board.
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