Components On The Engine Unit - Brother MFC5890CN Service Manual

6.1.14 Components on the Engine Unit

(Earth spring, Maintenance unit, ASF motor*, Carriage motor, Star wheel holder, Paper
ejection roller, Platen, Inner chute ASSY, Sub chute cover, Registration sensor actuator,
Registration sensor PCB, PF encoder PCB, Paper pull-in rollers R and L, ASF gear shaft
outer, and PE actuator)
Earth spring
(1) Release the upper and lower ends of the earth spring from the CR guide rail and the ASF
motor holder, respectively.
Maintenance unit
Assembling Note: When mounting the earth spring, take care not to contaminate it with
grease.
First hook the upper end on the CR guide rail and insert the lower end under the ASF
motor. The earth spring twines around the ASF motor by itself with the spring force. After
mounting it, check that the earth spring is in contact with the metal part of the ASF motor.
CR guide rail
ASF motor
CR guide rail
*ASF motor: Auto Sheet Feeder motor
6-61
Earth spring
Earth spring
ASF motor
(6_71_1)
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