Brother HL-5590DN

3-22
Confidential
6 Rear side of the machine
Harness colors are subject to change for some reason.
Main fan
Main fan harness (GY, BK, RD)
Toner amount detection sensor
PCB ASSY (light emission)
Low-voltage power supply harness
(WH, BK)
Low-voltage heater harness
(Inside) (WH, BK)
Ground harness
(Outside) (GR, YW)
Low-voltage power
supply PCB ASSY
Low-voltage heater harness
(WH, BK)
Heater harness (BL)
Center thermistor
harness (BK)
Fuser unit
Toner amount detection sensor PCB harness
(light emission) (BK, WH, GR, RD)
Laser unit flat cable
Side thermistor
harness (WH)
Low-voltage heater harness
(Inside) (WH, BK)
Ground harness
(Outside) (GR, YW)
<For models with China>