Brother DCP-L8400CDN Service Manual page 341

(8) Remove the Registration roller drive joint from the PF registration roller shaft.
(9) Remove the Joint pin from the PF registration roller shaft.
PF registration roller shaft
8
Registration roller
drive joint
Paper feed unit
Harness routing: Refer to
PF registration roller shaft
A view
Joint pin
PF registration roller shaft
Fig. 3-256
" Paper Feed Unit"
3-177
Joint pin
Paper feed unit
9
<A view>
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