MBM 408A Operation Manual page 18

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[5] Select the desired fold type from among the six fold
type keys.
[6] Press the "TEST" key to perform test folding.
If test folding is satisfactory, proceed to step [7].
If it is not satisfactory, adjust folding misalignment.
= > Refer to "5.5 Adjustment" on pages 21 to 23.
[7] Press the "START/STOP" key to start continuous folding.
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