Brother MFC-J4420DW opening procedure

crwdns2936071:01crwdne2936071:0 — Removing hood holder

Disconnect the power cord of the printer

crwdns2936071:02crwdne2936071:0 — Removing cables connected to the top part of the printer

Next remove the cover on the left side of the printer (lift the right side of the cover first).

crwdns2936071:03crwdne2936071:0 — Remove the top part of the printer

Flip the plastic part shown in picture one up to the top part of the printer

crwdns2936071:04crwdne2936071:0 — Remove cover

Remove the screws connecting the black plastic cover to the printer (see image)