Brother FAX4100 Service Manual page 93

(8) Remove screw "d" and disconnect the paper ejection sensor PCB from the main PCB.
(9) Remove five screws (three "e" and two "f"), then take off the main PCB from the bottom plate.
(10) Remove the bottom insulation film.
Reassembling Notes
• When putting the bottom plate back into place, make sure that the grounding wire is looped and
routed through the support film (as illustrated on page IV-54) and then secure the grounding wire
to the bottom plate with screw "c" (shown on the previous page).
• When connecting the engine-main harness, laser flat cable, and main-LV-engine harness to the
main PCB, prevent them from interfering with each other in the vicinity of the connectors.
• After you replace the main PCB, be sure to follow the flowchart given on the next page.
"d" and "e": Taptite, cup S M3x6
"f": Machine screw, pan M3x6
IV - 52