Sharp SF-1120 - Manual (Page 23)

3 Hold the new toner bottle as shown and shake it four or five times.
4 Open the toner hopper cover.
5 Pour the toner evenly into the toner hopper.
6 Close the toner hopper cover.
7 Slide the developer unit into the copier.
8 Return the developer unit lock lever into place.
9 Close the front cover.
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