Panasonic KV-S1025C SERIES Service Manual page 39

Reassembling Note:
(1) While facing the glass in the direction of the arrow (2) to
determine the glass default position, insert the 4 notches
to the frame in the direction of the arrow (3).
(2) Slide the Scanning Glass (B) in the direction of the
arrow (4), while pushing both ends of the glass, to
lock the glass.
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