Brother DCP-7090 Service Manual page 256

(2) Release the Hook A, and remove the Eject sensor PCB ASSY from the Pin of the Frame L
unit.
(3) Release the Back cover/duplex tray sensor harness from the securing fixtures.
(4) Release the Hook B, and remove the DX sensor stopper 2 from the Frame L unit.
(5) Release each Hook C, and remove the Back cover/duplex tray sensor from the Frame L
unit.
Back cover/duplex tray sensor harness
Hooks C
Back cover/duplex
tray sensor
Eject sensor PCB ASSY
Harness routing: Refer to
Assembling Note:
• When assembling the Back cover/duplex tray sensor, attach it by engaging the Hooks
C of the Back cover/duplex tray sensor properly.
Pin
Hook B
Fig. 3-99
"10. Frame L unit (Manual feed
3-99
Hook A
Frame L unit
Back cover/duplex tray sensor
DX sensor stopper 2
models)".
Confidential