Brother DCP-J552DW Service Manual page 162

(3) Turn the document scanner unit towards you.
(4) Remove the document scanner top cover.
(5) Remove the CIS roller holder F and CIS roller holder R.
Document scanner top cover
CIS roller holder R
Document
scanner FG wire
Document scanner motor harness
Assembling Note When attaching the CIS roller holder R, fit the rib into the lower side of the CIS
unit.
Document scanner bottom cover
CIS roller holder F
CIS unit
3-45
(Right)
(Front)
Rib
CIS unit
CIS roller holder R
Confidential
(3_057)
(3_058)