Brother International FAX-170 Service Manual - Page 14

Mechanisms

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2. MECHANISMS The equipment is classified into the following mechanisms: ■ Transmitting Mechanism Feeding and scanning documents ■ Receiving Mechanism Feeding recording paper and printing data ■ Power Transmission Mechanism Switching the power transmission route ■ Sensors and Actuators 2.1 Transmitting Mechanism (Feeding and scanning documents) The transmitting mechanism consists of the document stacker, automatic document feeder (ADF), document feeding related rollers, scanner, and document sensors. (For details about the sensors, refer to Section 2.4.) For the drive power source, refer to Section 2.3. Document stacker Document it Separation roller ASSY ADF parts White pressure roller (Front) Scanner (CIS unit) 2.1.1 Automatic document feeder (ADF) If the operator sets documents on the stacker and starts the transmitting operation, the ADF (consisting of the separation roller ASSY and ADF parts) feeds those documents into the equipment, starting from the bottom sheet to the top, page by page. Each document advances to the scanner, and then it is fed out of the equipment with the white pressure roller.

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2.
MECHANISMS
The
equipment
is
classified
into
the
following
mechanisms:
■
Transmitting
Mechanism
■
Receiving
Mechanism
■
Power
Transmission
Mechanism
■
Sensors
and
Actuators
Feeding
and
scanning
documents
Feeding
recording
paper
and
printing
data
Switching
the
power
transmission
route
2.1
Transmitting
Mechanism
(Feeding
and
scanning
documents)
The
transmitting
mechanism
consists
of
the
document
stacker,
automatic
document
feeder
(ADF),
document
feeding
related
rollers,
scanner,
and
document
sensors.
(For
details
about
the
sensors,
refer
to
Section
2.4.)
For
the
drive
power
source,
refer
to
Section
2.3.
Document
stacker
it
Document
Separation
roller
ASSY
ADF
parts
Scanner
(CIS
unit)
White
pressure
roller
(Front)
2.1.1
Automatic
document
feeder
(ADF)
If
the
operator
sets
documents
on
the
stacker
and
starts
the
transmitting
operation,
the
ADF
(consisting
of
the
separation
roller
ASSY
and
ADF
parts)
feeds
those
documents
into
the
equipment,
starting
from
the
bottom
sheet
to
the
top,
page
by
page.
Each
document
ad-
vances
to
the
scanner,
and
then
it
is
fed
out
of
the
equipment
with
the
white
pressure
roller.