Brother DCP-7090 Service Manual page 77

9.11.3 Document sub tray
(1) Release each Hook to remove the Gear cover from the ADF unit.
(2) Remove the two Taptite cup B M3x10 screws. Release each Hook to remove the ADF front
cover from the ADF unit.
Gear cover
ADF front cover
Hooks
Hooks
ADF unit
Taptite cup B M3x10
Taptite cup B M3x10
Fig. 3-35