7. Board list
Name
Type
Function
1
Main PWB
Japan/Export
Primary control of copier functions
2
Operation PWB
Common
Display
3
AC PWB
Japan/Export, 100V/200V
Supplying AC power
4
Blank lamp PWB
Common
Controlling blank lamps
5
Original sensing light emitting PWB
Japan
Sensing original size
6
Original sensor light receive PWB
Japan
Sensing original size
7
AE PWB
Common
Automatic exposure sensor
8
Cassette paper size PWB
Common
Sensing cassette paper size
9
Liftup motor PWB
Common
Driving paper cassette bottom plate liftup
F
DC power supply unit
100V/200V series
Supplying DC power
G
High voltage transformer
Common
Supplying process unit high voltage and developing bias voltage
H
Discharge lamp
Common
Driving discharge lamps
I
Process control VR PWB
Common
Process sensor sensitivity adjustment
J
Manual feed paper size sensor
PWB
Japan/Export
Paper size detection (Japan, portrait only)
K
LCD control PWB
Japan/Export
LCD display drive/control
L
LCD invertor PWB
Common
LCD power invertor circuit
M
LCD volume PWB
Common
LCD light intensity adjustment
9
8
13
4
17
16
1
7
5
12
3
10
11
6
2
15
14
4 – 8
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 ...