Cleaning the Glass 103
2.
2.2.
2. Unscrew the four screws at the upper and lower corners of the top
cover. After several rotations, the screws spring out of their
sockets. There is no need to remove the screws.
3.
3.3.
3. Close the top cover.
Make sure that the cover is closed properly. If the cover is not closed
properly, it may suddenly spring open.
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