Brother DCP-7090 Service Manual page 223

2) Attach the two pieces of Double-sided tape to the Document scanner bottom cover
ASSY at the positions shown in the figure below. (If the old Double-sided tape remains
attached, replace it with a new one.)
Document scanner
bottom cover ASSY
3) Attach the 9 mm x 9 mm Double-sided tape to the CIS carriage at the position shown in
the figure below. (If the old Double-sided tape remains attached, replace it with a new
one.)
4) Connect the First side CIS flat cable to the First side CIS unit.
5) Attach the First side CIS unit to the CIS carriage.
6) Peel the release liner of the Double-sided tape attached to the CIS carriage, and secure
the First side CIS flat cable with the tape as shown in the figure below.
First side CIS flat cable
Double-sided tape
Fig. 3-58
First side CIS unit
CIS carriage
Fig. 3-59
3-66
Double-sided tapes
Confidential