(3) Disconnect the CIS flat cable from the main PCB, pull it to the rear through the flat core,
and then release it from the cable guides. Unlatch the flat core and take it out of the upper
NOTE: After disconnecting the flat cable(s), check that each cable is not damaged at its
end or short-circuited. When connecting the flat cable(s), do not insert it at an angle. After
insertion, check again that it is not at an angle.
(4) Disconnect the CIS motor harness (4-wire) from the main PCB.
CIS motor harness
MFC250C and DCP385C/165C/145C
CIS flat cable