Oce PlotWave 340 Operation Manual page 277

5.
Tap the toner bottle gently (sideways), to let the toner flow from the bottle.
6.
When the toner bottle is empty, return the slider of the toner unit to the original position to close
the refill opening and the toner bottle. You can now remove the toner bottle from the opening.
Chapter 5 - Maintain the Printing System
Refill the toner
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