Scanner Mechanism - Brother MFC5890CN Service Manual

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
White reference film
CIS drive assembly
(CIS motor)
CIS unit
CIS rail
Section 3.2.3.
Document cover
3-5
ADF unit
ADF & document
cover ASSY
Scanner top cover
CIS drive belt
CIS flat cable
Scanner unit
(Scanner cover)
Scanner base
CIS idle pulley
(3_03_BHL9)
Confidential