Brother 09055CDN Service Manual page 287

(3) Disconnect the Connector from the Document front/ADF open sensor.
Document front/ADF open sensor
■ A4 model
(4) Lift the film, and then push and open the Rib to remove the Document second side rear
sensor from the Lower document chute.
Lower document chute
Document first side rear sensor
Fig. 3-133
Rib
Document second
side rear sensor
Film
Fig. 3-134
3-104
Connector
4a
4a
4b
Document second side
rear sensor
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