Engine Pcb Assy - Brother HL-4140CN Service Manual

9.19 Engine PCB ASSY

(1) Disconnect the 17 Connectors (CN3, CN5, CN8, CN9, CN10, CN11, CN12, CN13, CN14,
CN16, CN17, CN18, CN19, CN20, CN21, CN22, and CN23) and four Flat cables (CN1,
CN2, CN15 and CN25).
Note:
- After disconnecting flat cables, check that each cable is not damaged at its end or
shortcircuited.
- When connecting flat cables, do not insert them at an angle. After insertion, check
that the cables are not at an angle.

Engine PCB ASSY

(2) Remove the three Taptite cup S M3x6 SR screws to remove the Engine PCB ASSY from
the Top drive ASSY.
<Left side>
Engine PCB ASSY
Taptite cup S
M3x6 SR
Taptite cup S M3x6 SR
CN25 CN23 CN22 CN21 CN20 CN19 CN18 CN17
CN15
CN5 CN3
Fig. 3-64
Top drive ASSY
Fig. 3-65
3-60
CN16
CN12
CN11
CN9
CN2 CN1
CN14
CN13
CN10
CN8
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