Scanner Mechanism; Printing Mechanism - Brother MFC640CW Service Manual

Scanner Mechanism

(See Section 3.2.1.)

Printing Mechanism

(See Section 3.2.2.)
Encoders
(See Section 3.2.3.)
Sensors
(See Section 3.2.3.)
Thermistor
(See Section 3.2.3.)
- Document scanning mechanism
- Automatic document feeder (ADF)
mechanism
- Paper pulling-in, registration, paper
feeding, and ejecting mechanisms
(See Section 3.2.2.1.)
- Ink supply and ink jet mechanism
(See Section 3.2.2.2.)
- Head maintenance mechanism
(carriage lock, head caps, purge, vent,
and head wiper)
(See Section 3.2.2.3.)
- Carriage drive mechanism
(See Section 3.2.2.4.)
- Carriage motor (CR) encoder
- Paper feed motor (PF) encoder
- Document front and rear sensors
- Scanner open sensor
- Registration sensor
- Paper width (media) sensor
- Ink cartridge sensors
- Purge cam switch
- Hook switch sensor (MFC640CW)
- Head thermistor
3-3
CIS motor
(stepping motor)
ADF motor
(stepping motor)
Paper feed motor
(DC motor)
Paper feed motor
(DC motor)
Carriage motor
(DC motor)
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