Genuine Toshiba owner's manual. Couldn't really ask for more. And written in understandable English in contrast to a few recent experiences I have had with manuals for other equipment other than Toshiba but made in China and written in "Chinglish"!
Text excerpt from page 33 (click to view)
4. Take hold of the coarse filter (A) by the handle with the hole and remove from the microfilter (B). 5. Clean all filters thoroughly under running water. 6. Remove the flat filter (C) from the base of the washing compartment and clean both faces thoroughly.
7. Put the flat filter (C) back in the base of the washing compartment. 8. Place the coarse filter (A) in the microfilter (B) and press together. 9. Put the filter combination in place and lock by turning the handle clockwise to the stop. During this process ensure that the flat filter does not protrude above the base of the washing compartment.
Attention! Under no circumstances may the dishwasher be used without filters. Incorrect repositioning and fitting of the filters will produce poor washing results. NEVER try to remove the upper spray arm. If residues of soil have clogged the holes in the upper spray arm, remove them with a cocktail stick.