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, ADF motor, and document front
and rear sensors.
For further details on the sensors, see Section 3.2.3.
*For models with ADF
CIS unit
ADF unit*
Document cover
White reference film
CIS drive assembly
(CIS motor)
CIS rail
CIS idle pulley
Scanner base
CIS flat cable
CIS drive belt
Scanner top cover
Scanner unit
(Scanner cover)
14442444
144424443
ADF & document
cover ASSY
(3_02_e)
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