Brother FAX4750 Service Manual page 86

(2) Turn the main chassis upside down.
(3) Remove 14 screws (nine "a" and five "b").
(4) Slightly lift up the bottom plate and pull it to the rear until you can remove screw "c."
(5) Remove screw "c" to release the grounding wire.
(6) For models available with a 2nd paper cassette: Unhook the 2nd cassette relay PCB bracket
from the bottom plate.
(7) Pull the bottom plate to the rear and out of the main chassis.
"a": Taptite cup S M3x6
"b": Taptite, bind B M4x10
"c": Screw, pan (washer) M3.5x6
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