Brother MFC990CW Service Manual page 253

Inljet mfc/dcp
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Routing the Head Flat Cables When Mounting the Carriage PCB ASSY
1) Mount the carriage PCB ASSY on the head/carriage unit (see the previous page).
2) On the head/carriage unit, route the head flat cables through the cable guide and fit the hole in the
film over the boss as shown below.
Carriage PCB ASSY
Carriage-head flat cable
3) Pass the head flat cables through the flat core,
fit the folded section of them (with film) over
the V-shaped cable guide and set the flat core
in the pocket on the lower cover.
Folded section
Head flat cables
Pocket
V-shaped cable guide
Lower cover
Head flat cables
Cable guide
4) Set the tube support wire onto the tube support
Flat core
(Rear)
6-69
Hole
Cable guides
Film
Boss
Carriage PCB ASSY
Viewed from the rear
plate. Then, mount the tube support plate so
that the head flat cables (and ink supply tubes)
pass between the tube/cable guide on the
support plate and the lower cover.
Tube/cable guide
Cable guide
V-shaped cable guide
Tube support wire
Head flat cables
(6_67)
Lower cover
Head flat
cables
Tube support plate
(6_68_1)
Confidential

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