Brother 09055CDN Service Manual page 277

(5) Remove the CIS spacer from the both ends of the Second side scanning CIS.
CIS spacer
ADF unit
(6) Lift the Second side scanning CIS to remove the Second side scanning CIS flat cable.
Second side scanning
CIS flat cable
ADF unit
Fig. 3-115
Second side scanning CIS
6b
6a
Fig. 3-116
3-94
Second side scanning CIS
CIS spacer
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