Konica Minolta SD-501 - Manual (Page 16)

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Empty Dust Box of SD-501 Saddle Stitcher
When the dust box of the SD-501 Saddle Stitcher becomes full, the Trim Dust
indicator lights in red in the option status area of the Machine Status Screen.
If printing job is in progress, a message will be displayed on the Copy Screen.
Follow the procedure below to empty the dust box.
1.
Withdraw the dust box.
The dust box cannot be withdrawn while machine operation is in progress. Be
sure to confirm that the machine has stopped its operation before withdrawing
the dust box.