Brother MFC5490CN - Scanner Mechanism

3-5
Confidential
3.2.1 Scanner Mechanism
This mechanism consists of the automatic document feeder (ADF), document cover, and
scanner unit (scanner cover).
The scanner unit consists of a scanner top cover, CIS unit, CIS drive assembly, and scanner
base.
The detailed illustration on the next page shows the components making up the ADF: document
pull-in roller, document separation roller, document feed rollers, document ejection rollers,
ADF motor, and document front and rear sensors.
For further details on the sensors, see Section 3.2.3.
Document cover
ADF unit
ADF & document
cover ASSY
White reference film
CIS drive assembly
(CIS motor)
CIS unit
CIS rail
Scanner top cover
CIS drive belt
CIS flat cable
Scanner base
CIS idle pulley
(3_03_BHL9_A4)
Scanner unit
(Scanner cover)