Sharp MX-3050N User Manual page 135

BEFORE USING THE MACHINE►PERIPHERAL DEVICES
Saddle stitch finisher (large stacker) installed
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Open the front cover.
Pull out the punch waste box and
discard the punch waste.
Replace the punch waste box.
If the punch waste box is not replaced properly, printing will
not be possible to use the punch function.
Close the front cover.
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