Brother FAX4100 Service Manual page 82

(21) Release the paper ejection sensor actuator from the hook on the lower FU frame and then
remove it in the direction of the arrow shown below together with the ejection actuator spring.
Paper ejection sensor actuator
Ejection actuator spring
NOTE: When setting the paper ejection sensor actuator and its spring, make sure that they are
fitted into place as illustrated below.
Lower FU frame
IV - 41
Paper ejection sensor
actuator
Lower FU frame
Ejection actuator spring