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08
July 27, 09 K.Okada
A.Miyoshi I.Fujioka
Refer to Revision Record on page 2.
TITLE
fi-6140/fi-6240/fi-6130/fi-6230/fi-614PR
Maintenance Manual
07
Nov.12, 08 K.Okada
T.Anzai
I.Fujioka
Refer to Revision Record on page 2.
CUST.
06
Mar.10, 08 K.Okada
T.Anzai
I.Fujioka
Refer to Revision Record on page 2.
DRAW
No.
P1PA03540-B0XX/6
Rev. DATE DESIGN CHECK APPR. DESCRIPTION
Design
July 27, 2007
K.Okada
CHECK
K.Okada
APPR.
T.Anzai
PFU LIMITED
Page
19
/
257
Section 1-2-1
1-2 Scanner Configuration
1-2-1 ADF Unit
(1) Paper separation
When scanning with the ADF, documents loaded on the ADF paper chute (Chute Unit) are separated respectively by the Pick
rollers and Brake rollers and fed into the ADF. Separated documents are transported by the feed rollers at the speed that
corresponds to specified reading resolution until they are ejected to the stacker.
Paper feeding unit includes Hopper empty sensor (Sensor EMP), PICK sensor, TOP sensor, Multi feed sensor (US Sensor), Paper
protection roller (fi-6140/fi-6240 only) and Cover Open Sensor.
(2) Consumables
The Pick roller and Brake roller are consumables and need to be replaced by a user. (Refer to Section 7-3 for detail.)
The scanner supports two consumable counters, Pick roller counter and Brake roller counter, which indicate the number of sheets
that have been scanned so far. Users can check the counters from the driver screen or scanner built-in Maintenance mode, and
reset the counter after replacing the consumables. (See Section 6-1-6 for details.)
(3) Drive unit
The Pick rollers are driven by the PICK Motor. The Brake rollers, Feed rollers, and Eject rollers are turned by the ADF Motor.
The PICK Motor and ADF Motor are controlled separately. This can widen the gap between documents and extend the amount
of overscan while overscanning.
The motor drive circuit and motor fuse are located in the Control PCA. If abnormal electric current runs through the motor drive
circuit, the current is cut off by the motor fuse in the Control PCA.
Hopper empty sensor
(Sensor EMP)
Brake roller
Eject roller
OPT Unit
Feed roller
Lamp (back)
TOP Sensor
Pick roller
US Sensor
(US Sensor Upper and
US Sensor Lower)
OPT Unit
Lamp (front)
Control PCA
Background for front
Background for backside
Cover Open Sensor
Pick Sensor
Paper protection roller (fi-6140/fi-6240 only)