Brother PR655 Service Manual page 322

Special Instructions of Wiring Panel unit
2. Wiring of LCD module and touch panel
Pass the FFC
through the
ferrite core, and
then connect
the FFC to the
connector.
Ferrite core
FFC: SML2CD-50
Lock the
connector lock.
Unlock the
connector lock.
FFC of the touch panel
7 - 10
Unlock the
connector lock.
Panel PCB
Connect the FFC
of the touch panel
to the connector
correctly.
Lock the
connector lock.