Brother HL-1850 Service Manual page 154

(4) Release the hook of the gear to remove the switch arm ASSY and then remove the T-belt
by releasing the hook of the two gears.
Gear
(hook)
T-belt
(5) Remove the two cup S tite 3x6 screws to remove the gear pressure plate from the gear
plate.
(6) Shift the pendulum gear 30 to the arrow direction and release the hook from the gear 21H
to remove the gear 21H by pulling upward through the opening space of the gear plate.
Pendulum gear 30
Switch arm ASSY
Fig. 4-74
Screw, cup S tite 3x6
Fig. 4-75
4-47
CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
(hook)
Gear
(hook)
Drive unit
Gear pressure plate
Gear plate
Gear 21 H
Feed roller gear shaft