5)
Below you can see the flip over assembly with the cleaning roller (marked with 2 arrows)
Press with 2 fingers to remove only the cleaning roller from the flip over assembly, as illustrated below.
6)
Gently clean the roller with water only. 7) After cleaning, dry the roller thoroughly.
8) Reinsert the roller by compressing the flanges of the cleaning roller and push the projections into its slot. Press
downwards until you hear a sound of clicking.