A. Sensors and switches
Signal name
Name
Type
Function/operation
Contact/output
1
SIZESW
Size switch
Slide switch
Size (A4, B5, Letter) selection
—
2
F/LSW
Front loading
open/close switch
Microswitch
Desk open/close detection
H level when open.
3
DPE2
Empty sensor
Reflection type sensor
Cassette 2 original presence
detection
H level when paper is
detected.
4
DLPD3
Paper pass sensor 2
Reflection type sensor
Turns to H level when the paper lead
edge is transported to the front of
pickup roller 1.
H level when paper is
detected.
5
DLPD2
Paper pass sensor 1
Reflection type sensor
Turns to H level when the paper lead
edge is transported to the back of
pickup roller 1.
H level when paper is
detected.
6
DDOP
Side open/close sensor
Photo interrupter
Side cover open/close detection
L level when open.
7
DLUD1
Level sensor 1
Photo interrupter
Cassette 1 paper height control
H level when interrupted.
8
LMS1
Limit sensor 1
Photo interrupter
Prevention against excessive height
of cassette 1 paper
H level when interrupted.
9
DPOD1
Resist sensor 1
Photo interrupter
Paper pass detection
Paper in: L level
F
DLPD1
Paper pass sensor 0
Reflection type sensor
Turns to H level when the paper lead
edge is transported to the front of
separation roller.
H level when paper is
detected.
G
DLUD2
Level sensor 2
Photo interrupter
Cassette 2 paper height control
H level when interrupted.
H
LMS2
Limit sensor 2
Photo interrupter
Prevention against excessive height
of cassette 2 paper
H level when interrupted.
I
DPOD2
Resist sensor 2
Photo interrupter
Paper pass detection
Paper in: L level
J
E2CLK
Elevator motor 2 clock
sensor
Photo interrupter
Elevator motor 2 encoder clock
detection
Pulse output
K
E1CLK
Elevator motor 1 clock
sensor
Photo interrupter
Elevator motor 1 encoder clock
detection
Pulse output
B. Electromagnetic clutches
Signal name
Name
Type
Function/operation
Contact/output
L
P2CL
Pick up roller clutch 2
Electromagnetic clutch
Links/releases the transport motor
drive and the pick roller 2.
Links the drive when
ON.
M
P1CL
Pick up roller clutch 1
lectromagnetic clutch
Links/releases the transport motor
drive and the pick roller 1.
Links the drive when
ON.
N
BCL
Separation clutch
Electromagnetic clutch
Links/releases the transport motor
drive and the separation roller.
Links the drive when
ON.
O
RCL
Resist clutch
Electromagnetic clutch
Links/releases the transport motor
drive and the resist roller.
Links the drive when
ON.
C. Motors
Signal name
Name
Type
Function/operation
P
E1MOT
Elevator motor 1
DC motor
Drives the lifting mechanism of cassette 1 paper bundle.
Q
E2MOT
Elevator motor 2
DC motor
Drives the lifting mechanism of cassette 2 paper bundle.
R
HMOT
Transport motor
DC brushless motor
Drives the whole mechanism of paper transport.
S
—
Control PWB
—
—
4 – 11
Summary of Contents for SF-2040
Page 27: ...9 Desk unit SF D23 11 12 16 17 13 18 10 9 8 7 6 2 5 4 3 1 23 21 22 19 20 14 15 4 10 ...
Page 63: ...5 5 C F 10 D 7 6 11 G E 8 9 H 12 6 2 ...
Page 65: ...3 B 3 E 13 C 4 5 6 7 8 F 14 D 10 11 9 6 4 ...
Page 67: ...2 1 3 A D 9 8 11 10 B 4 5 E 12 13 14 C 7 6 6 6 ...
Page 69: ...A a 1 1 D 4 4 B 1 b 1 1 E 5 5 7 6 8 9 8 5 C 2 3 3 F 5 11 12 6 8 ...
Page 71: ...1 2 3 3 4 5 A D 13 11 10 7 6 6 7 B E 14 8 12 9 C F 15 G 16 16 6 10 ...
Page 73: ...A a 1 D 11 10 10 9 8 B 4 2 3 E 13 12 12 C 5 7 6 7 6 12 ...
Page 75: ...C 4 F 9 9 9 10 9 5 6 D G 11 E 8 7 6 14 ...
Page 78: ...Volume PWB 8 9 10 10 6 17 ...
Page 80: ...C 5 F 11 P D F R 7 6 6 12 13 G 12 13 E 8 9 a 8 H 14 6 19 ...