Brother MFC620CN Service Manual page 174

5) Route the head flat cable 1 as shown on
double-sided adhesive tape attached in 1) above.
6) Attach the FFC support film to the head flat cable 2 as shown below, bend it at the right-hand
position to fit it into section "a" of the cable clamp, and attach it to the right side of the joint
leaf spring.
7) Mount the head cover.
8) Attach the FFC sponge at a place 1 ±1 mm apart from the head cover as shown below.
FFC support
film
Viewed from the top
FFC support film
Bosses
Head/carriage unit
Cutouts
Double-sided adhesive tape for
securing the head flat cable 1
Head cover
1 1 mm
FFC sponge
Viewed from the right
FFC sponge
5-36
page 5-31 and secure it to the lower cover with the
Section "b" of
cable clamp on
the head joint
Section "a" of
+
cable clamp on
the head joint
Opening
Head flat cable 1
FFC support film
(17-pin)
Viewed from the right
Flat core
Head flat cable 1 (17-pin)
Head flat cable 2 (19-pin)
Main PCB
Double-sided
adhesive tape
Lower cover
Confidential
Carriage
PCB
Head flat
cable 2
(19-pin)