Main Pcb Assy - Brother ADS-3000N Service Manual

9.6

Main PCB ASSY

(1) Check the presence or absence of the copper seal on the main PCB upper shield.
Copper seal
 The presence case of the copper seal
(2) Disconnect all harnesses and flat cable connected to the main PCB ASSY.
HARNESS ROUTING: Refer to
Main PCB upper shield
Main PCB ASSY
Front cover sensor
harness
Document detection / Document
scanning position sensor harness
"1. Main PCB
Fig. 3-11
Paper feed / Eject jam sensor harness
Multi feeding sensor harness (Sent)
Multi feeding sensor
harness (Receive)
Fig. 3-12
ASSY".
3-20
Paper feed
motor harness
Feed motor
harness
Panel flat cable
First side CIS
flat cable
Confidential