Brother MFC-9420CN Service Manual page 104

(4) Release the two pins and remove the ADF cover.
A DF cove r
Pin
Pin
Scanner unit
Fig. 5-14
(5) Release the two hooks, and then remove the pressure roller ASSY.
(6) Remove the two LF springs from the ADF cover.
Pressure roller A SS Y
LF spring
A DF cove r
LF spring
3
2
1
3
1
Hooks
Fig. 5-15
5 -1 5
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