3 ] Communications Related; 4 ] Paper/Document Feeding Related - Brother MFC9700 Service Manual

[ 3 ] Communications related

Trouble
(1) No tone is transmitted.

[ 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) Document jam
(5) Recording paper not fed.
(6) Recording paper double feeding
Main PCB
l
NCU PCB
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Sensors by using the maintenance-mode function code
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32. (Refer to Chapter V, Subsection 3.8.)
Document front sensor actuator and document rear
l
sensor actuator
Main PCB
l
ADF and its related sections
l
ADF motor and its harness
l
Document feed roller and its related gears
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Main PCB
l
ADF parts
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ADF motor
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Paper loaded in the paper cassette(s)
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Paper cassette(s)
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Drum unit
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Heat-fixing unit
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Drive gear ASSY
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Engine PCB
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Main PCB
l
Separation pad on the paper cassette(s)
l
VI - 20
Check:
Check: