Brother International FAX-8650P Service Manual - Page 164

nor FAX: NO. & START, Refer to V,

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[ 3 ] Communications related Trouble (1) No tone is transmitted. l Main PCB l NCU PCB Check: [ 4 ] Paper/document feeding related Trouble (1) Neither "COPY: PRESS COPY" nor "FAX: NO. & START" message appears although documents are set. (2) Document not fed. (3) Document double feeding (4) Recording paper not fed. Check: 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 l ADF and its related sections l Scanner motor and its harness l Document feed rollers and their related gears l Main PCB l ADF parts l Multi-purpose sheet feeder l Drum unit l Heat-fixing unit l Gear drive unit l Main PCB VI - 17

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