Toshiba e-studio 211c Operator's Manual page 13

Fixing the adjusters (stoppers)
There are two adjusters (stoppers) located in the front
bottom part of the copier. After moving/installing the
copier, be sure to turn the adjusters clockwise to fix them
firmly on the ground.
*To unlock the adjusters when moving the copier, turn
them anticlockwise.
If the copier is not steady, it may fall over and result in personal
injury.
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To lock
To unlock
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