Konica Minolta bizhub PRO 1050P - Manual (Page 81)

Empty Punch Trash/Trim Dust (continued)
77
2.
Open the top cover of the dust box.
3.
Take waste paper out of the dust box.
4.
Close the top cover of the dust box, then return it to its original
position.
Be sure to return the dust box to its original position, otherwise the trimming
function cannot be performed.