Mechanisms - Brother MFC4820C Service Manual

4.2 MECHANISMS

This facsimile machine consists of the following mechanisms and uses six motors, encoders,
sensors and thermistors.
Document scanner
mechanism
Paper feeding
mechanism
Printing mechanism
DOCUMENT SCANNER MECHANISM
(As viewed from the right)
- Auto Sheet Feeder (ASF),
registration, paper feeding, and
ejection mechanisms
- Ink supply and ink jet mechanism
(consisting of air pump & motor
module, print head unit, ink
cartridges, and needle tube & head
flat cable ASSY)
- Head capping mechanism
- Purge mechanism
(consisting of carriage lock, purge
unit, ink draining, head wiper, and
air vent unit & vent rod unit)
- Carriage drive mechanism
PAPER FEEDING MECHANISM
PRINTING MECHANISM
4 -2
CIS travel motor
ASF motor (stepping motor)
Paper feed motor (DC motor)
Air pump motor (DC motor)
Purge motor (stepping motor)
Air pump motor (DC motor)
Carriage motor (DC motor)