Contex SD One MF 44 User Manual page 57

Maintenance
Replacing the glass plate
7
Removing the glass plate
The glass plate is now free for removal from the scanner.
Swing the top edge of the glass plate out so it's free of the scanner.
3.
4. Grip the glass plate edge and lift away it from the scanner.
CAUTION: The glass plate is long and thin and quite fragile. Take care not to break it over the scanner.
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