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2. READING METHODS
There are two types of reading methods, sheet reading method and book
reading method. There are a further two types of reading methods for the
sheet reading method, flat-bed type and drop-in type.
2.1
Sheet Reading Method
The general operation of sheet reading is as follows.
The document is fed up to the separation roller and separation guide by the
forwarding roller.
Next, the separation roller and separation guide separate the document one
sheet at a time from the bottommost sheet. After the document sheets are
separated, they are fed to the contact sensor by the feed roller. After the
document is read by the contact sensor, it is output by the eject roller.
Reading method
Sheet reading
method
Book reading
method
Fig. 3-2 Types of Reading Methods
Document pressure
plate
Separation guide
Forwarding roller
Separation roller
Fig. 3-3 Sheet Reading
ADF type
White mylar sheet
Upper feed roller
Upper eject roller
Feed roller
Eject roller
Contact sensor
READING SECTION
1
2
Flat-bed type
Drop-in type
3
4
5
6
ït
çi
Document feed path
3–3
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