Brother DCP-8110DN Service Manual page 170

(6) Push the hook on the lift gear Z27M10 (or lift gear Z48M10) while lifting the plate-up
plate, and remove the lift gear Z27M10 (or lift gear Z48M10) from the paper tray 1.
250 sheets: Lift gear Z27M10
500 sheets: Lift gear Z48M10
(7) Remove the gear Z22M10 and the idle gear Z18M10 from the paper tray 1.
Hook
Lift gear Z27M10 or
Lift gear Z48M10
Plate-up plate
Gear Z22M10
Idle gear Z18M10
Fig. 3-16
3-24
Paper tray 1
Plate-up plate
Confidential