Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 88

7) Disconnect the 1 connector [1], remove 2 screws [2], and then remove the exchange flapper unit [3].
8) Remove the 2 e-rings [1], and then replace the exchange flapper [2]. [A] is the new type of the exchange
flapper, and grease was already applied to the metal plate [a].
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