Brother hl 1650 - B/W Laser Printer Service Manual page 143

(11) Remove the four cup S tite 3x6 screws and disconnect the harness to remove the main
motor ASSY from the drive sub ASSY A.
Screw, cup S tite 3x6
(8) Place the main frame so that the drive unit side is at the right as the figure shown below.
(9) Remove the two bind B M4x10 Taptite screws.
Solenoid unit
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Screw, cup S tite 3x6
Main motor ASSY
Fig. 4-77
Taptite, bind B M4x10
Fig. 4-78
4-45
Drive sub ASSY A
Main frame