Brother MFC-J2320 Service Manual page 181

(4) Remove the CIS roller holder L/R.
CIS roller holder L
Document
scanner unit
Document scanner bottom cover
(5) Set the First side CIS unit upright, slide it to the front to remove it, then disconnect
the First side CIS flat cable.
Note: Do not touch the lens of the First side CIS unit with your hands.
First side CIS flat
cable
Boss
Document scanner bottom cover
4a
Fig. 3-41
First side CIS unit
5a
Fig. 3-42
3-51
4b
CIS roller holder R
5b
Boss
Confidential