Brother DCP-J552DW Service Manual page 321

<Rubber key panel model>
(1) Press Menu.
(2) Press [ ] or [ ] to choose [0. Initial Setup]. Press OK.
(3) Press [ ] or [ ] to choose [4. Reset]. Press OK.
(4) Press [ ] or [ ] to choose [3. All Settings]. Press OK.
(5) Press [ ] to choose [ Reset].
(6) Press [ ] to confirm.
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