Disassembly Flowchart - Brother MFC-3340CN Service Manual
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Also See for MFC-3340CN:
- Manual (231 pages) ,
- Manual de l'utilisateur (233 pages) ,
- User manual (220 pages)
Table of Contents
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n Disassembly Flowchart
5.1.2
am clear cover
5.1.6
Upper hook switch
actuator
5.1.17
5.1.12
Lower hook switch
Main PCB shield
actuator
(FAX1940CN/
5.1.17
Main PCB
1840C)
Media module
5.1.12
cover
Hook switch PCB
5.1.17
Main PCB shield
frame
Sensors, encoders, and thermistors
(NOTE 1) On the control panel PCB are document front and rear sensors. In the rubber keypad in the
(NOTE 2) On the ink cartridge PCB in the ink refill ASSY are four ink cartridge sensors. Also on the ink
(NOTE 3) On the carriage PCB are a paper width sensor, CR encoder sensor and head thermistor.
(NOTE 4) On the maintenance unit is a purge cam switch.
(NOTE 5) On the PF sensor PCB are a registration sensor and PF encoder sensor.
5.1.2
Handset mount
5.1.3
Top cover
5.1.4
Control panel ASSY
- Control panel PCB
(Document front sensor
Document rear sensor)
- LCD
- Control panel
- Rubber keypad
(Cover open sensor)
(NOTE 1)
5.1.7
Front cover
Media module cover
(FAX1940CN/1840C)
(MFC3340CN only)
5.1.19
5.1.16
Ink refill ASSY
(NOTE 2)
5.1.20
Engine unit
5.1.20
Maintenance unit
(NOTE 4)
5.1.21
Paper pull-in gear shaft
and roller holder
5.1.21
Carriage motor
control panel ASSY is a cover open sensor.
refill ASSY is a large-volume ink cartridge sensor.
5.1.5
Document
pressure bar
5.1.5
Document front
sensor actuator
5.1.5
Document rear
sensor actuator
5.1.5
ADF parts
5.1.7
5.1.8
Harness cover
5.1.9
CIS glass
5.1.9
CIS unit
5.1.11
Upper cover
5.1.13
Scanner drive unit
- Separation roller gear
- Document separation roller
- Document pull-in roller
- Scanner motor
Ink absorber box
5.1.18
M PCB
5.1.21
Paper ejection roller
5.1.21
Platen
5.1.21
Star wheel holder ASSY
5.1.21
Flushing case
5.1.21
Paper feed motor
5-4
5.1.8
Document
Document
feed roller
ejection roller
5.1.10
5.1.10
Pinch rollers
Document
pressure roller
Components on the
underside of the
upper cover
5.1.18
5.1.7
M /PS shield box
Head/carriage unit
5.1.7
5.1.18
Carriage PCB
Power supply PCB
5.1.21
5.1.21
PF sensor PCB
CR encoder strip
(NOTE 5)
5.1.21
5.1.21
PF encoder disk
Paper pressure holder
5.1.21
5.1.21
Ejection idle gear
Registration sensor actuator
Components on
the top of the
upper cover
5.1.15
Backup
battery
(FAX1940CN only)
(NOTE 3)
5.1.14
CR timing belt
Confidential
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Troubleshooting
