Brother HL-4140CN Service Manual page 215

(2) Disconnect cables from the Lower cable rack.
(3) Release the four Hooks to remove the Lower cable rack from the Top drive ASSY.
<Left side>
Lower cable rack
Hook
(4) Disconnect cables from the PF line holder.
(5) Release the three Hooks to remove the PF line holder from the Top drive ASSY.
<Left side>
Top drive ASSY
Hook
PF line holder
Hook
Fig. 3-77
Hook
Fig. 3-78
3-67
Top drive ASSY
Hook
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