Sharp AR-BC260 Service Manual page 66

b. Manual paper feed section
(8pin)
Right door switch
(2pin)
1
34 7
DSWRout
8 2
DSWR 30
1
+24V
3
GND2
CN11(34pin)
5
DC_ONOFF\
7
DC_LOCK\
2
DC_CLK
+24V 13
14
MTRC\
PCU
(14pin)
25 11
MPFC\
+24V 23
MPED 17
21
MPWSin
+3.3V 19
MTOP2 22
MTOP1 20
CN17(28pin)
MPLD2 18
16
MPLD1
GND2 24 10
28
+5V 14
TEMP_AN 15
13
12
HUMiD_AN 11
(3) Major parts and signals functions and operations
a. Manual paper feed unit
8
10
No. Name
RW Paper detector
1 Paper size (width) adjuster
2 Paper size (width) sensor
3 Paper size (length) detector
4 Paper size (length) detector 2
5 Tray position detector
6 Tray position detector
7 Paper pickup roller
8 Manual paper feed roller
9 Manual paper feed clutch
10 Separation roller
RW Manual transport clutch
RW Paper feed motor
RW: Abbreviation of Related Wiring, which means the said load is specified in the related figure of the mechanical and the electrical sec-
tions.
+24V
1
GND2
2
DC_ONOFF\
3
DC_LOCK\
4
DC_CLK
5
DSWR
6
7
9
3
7
5
8
6
4
2
10
7
1
Code, Signal name
MPED Detects paper empty/presence in the paper tray.
— Adjusts the paper position.
MPWS Detects the paper width.
MPLD1 Detects the paper length.
MPLD2 Detects the paper length.
MTOP1 Detects the paper tray position.
MTOP2 Detects the paper tray position.
— Sends paper to the paper feed roller.
— Feeds paper to the paper transport section.
MPFC Transmits the paper feed drive motor power to the manual paper feed roller.
— Separates paper and transmits it to the paper feed unit.
— Transmits the paper feed motor power to the manual paper feed unit.
— Drives the paper feed section and the manual paper feed unit.
AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 29
3 1
1 3
Manual transport clutch
MTRC
PFM
Paper feed motor
MPED
Humidity sensor
HUD
MPWS
Paper width
sensor
1 2 3
4 3
9
8
3
7 2
2 1
1
1 2 3 2
MPFC
Manual paper feed clutch
Tray position
detection switch 2
Paper length MTOP2
sensor 1
MPLD1 MPLD1
MPLD2 MPLD2
Paper length
sensor 2
MTOP1
Tray position
detection
switch 1
1 2 3 2 1 1 2
2 1 3 2 1
1 6
4
5
Function