Brother FAX-8650P - Manual (Page 164)

VI - 17
[ 3 ] Communications related
Trouble Check:
(1) No tone is transmitted. l Main PCB
l NCU PCB
[ 4 ] Paper/document feeding related
Trouble Check:
(1) Neither "COPY: PRESS COPY"
nor "FAX: NO. & START"
message appears although
documents are set.
l Sensors by using the maintenance-mode function
code 32. (Refer to Chapter V, Section 3.8.)
l Document front sensor actuator and document rear
sensor actuator
l Main PCB
(2) Document not fed. l ADF and its related sections
l Scanner motor and its harness
l Document feed rollers and their related gears
l Main PCB
(3) Document double feeding l ADF parts
(4) Recording paper not fed. l Multi-purpose sheet feeder
l Drum unit
l Heat-fixing unit
l Gear drive unit
l Main PCB