Miele DA 420V-6 Operating Instructions Manual page 364

Cleaning and care
Then reassemble the door carefully:
 Secure the profiled seal to the middle
glass pane.
 Then refit the middle glass pane
together with the profiled seal.
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 Push the inner pane with the matt
printed side facing downwards into
the plastic strip and place it between
the retainers.
 Flip both the glass pane retainers
inwards to close them.
The door is now reassembled.