3-12
Confidential
7. HARNESS ROUTING
1 Main PCB ASSY
Harness colors may be changed for any reason.
Hooks
Laser unit flat cable
Center/side 
thermistor harness 
(RD, BL, WH)
Main HVPS flat 
cable
Back cover sensor 
harness (WH, BK)
LT harness (WH)
Main motor harness (RD, BL WH)
Low-voltage power supply harness (WH)
Hooks
Main PCB ASSY
Guide
USB host harness 
(Shield)
Second side 
CIS flat cable
First side CIS flat cable
ADF cover/document 
detection sensor harness (WH)
Internal temperature 
thermistor harness (GR)
Relay front 
harness (WH)
Toner LED harness 
(RD, GN, WH)
Panel PCB harness (BL)
NCU harness (WH)
Wireless LAN 
harness (Shield)
Second side document scanning 
position sensor harness (BL)
Document scanner motor harness (YW)
ADF motor harness (RD)
Speaker harness 
(RD, BK)
Duplex solenoid 
harness (WH)
Hooks
ADF earth harness (RD)
Document scanner 
earth harness (YW)