Brother MFC-8540DN Service Manual

3-20
Confidential
10
Left side of the machine
Harness colors are subject to change for some reason.
Toner amount detection sensor PCB
harness (light emission) (BK, WH, GR, RD)
Develop clutch 51R
Flat core
Develop clutch harness (BL)
Toner amount detection sensor PCB
harness (light reception) (BK, WH)
Relay front PCB ASSY
Front cover sensor
Front cover sensor harness
(RD,BK)
MP solenoid harness (WH)
MP solenoid
T1 pickup clutch harness
(BK)
T1 pickup clutch
Registration clutch harness (BK)
Registration clutch
Low-voltage power
supply harness (WH, BK)
HVPS flat cable
Paper feed motor harness (BL, WH, RD)
LT/TT connector harness (WH, BK, RD)
Erase lamp harness*
(RD, WH)
External temperature/humidity
sensor harness (RD, BL, WH)
Back cover/duplex tray sensor harness
(BK, WH)
Main PCB ASSY
Eject sensor harness
(OR,YW, WH, GR, BL, BK, RD)
Laser unit flat cable
Internal temperature sensor harness (WH)
Eject motor harness (WH)
Relay front harness (WH)
Toner amount detection
sensor PCB ASSY
(light reception)
Paper empty sensor harness* (WH)
Stack sensor harness
(RD, BK, WH)
Speaker harness (RD, BK)
USB host harness (GY)
* Models with 520-sheet T1 only

Brother MFC-8540DN Specifications

General

Brand	Brother
Model	MFC-8540DN
Category	All in One Printer
Language	English