Brother International 8250P Service Manual - Page 167
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 - 15
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VI
- 15
[ 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