Brother HL-L9300CDW Service Manual page 380

(5) Release the Hook and remove the LT paper pick-up roller ASSY from the LT paper feed
drive shaft.
LT paper feed frame unit
(6) After replacing the PF kit 2 or PF kit 3, reset the counter.
(Refer to "1.3.29 Reset counters for parts (Function code 88)" in Chapter
LT paper feed drive shaft
Fig. 7-51
7-31
LT paper pick-up roller ASSY
Hook
5.)
Confidential