Rhin-O-Tuff OD4012 Manual De Instrucciones página 9

Comb Die Backspace (Margin) Adjustment
The comb die assemblies for the OD4012 have a four position
u
adjustable backspace. The positions are changed by pulling the
adjustor bar to the left for deeper settings (commonly used for average
to thicker sized books) and pushing the adjustor bar to the right for
shallower settings (commonly used for thinner sized books).
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