Brother 09055CDN Service Manual page 280

(3) Pass the Second side scanning CIS flat cable through the ADF unit.
Second side scanning CIS
flat cable
Upper document chute ASSY
(4) Affix double-sided adhesive tape to the FFC holder ASSY as shown in the figure below.
(If the double-sided adhesive tape has already been affixed, be sure to remove it, and
then affix new double-sided adhesive tape.)
Fig. 3-121
FFC holder ASSY
Fig. 3-122
3-97
Lower chute ASSY
Double-sided adhesive tape
Confidential