Brother DCP6690CW Service Manual page 268

Platen
(16) Release the PF timing belt from the paper ejection roller gear.
(17) Pull the lock arm of the bushing at each end of the paper ejection roller outwards and turn it
upright.
(18) Lift the paper ejection roller and remove the platen from the engine unit.
Paper ejection
roller
Lock arm of bushing
Paper ejection
roller gear
PF timing belt
Paper feed motor
harness
PF encoder/registration
sensor harness
Lock arm of bushing
Platen
6-87
Paper ejection roller
(Front)
Engine unit
Paper ejection
roller
(6_72_2)
Confidential