General Circuit Diagram - Canon iR2020 Series General Timing Chart/General Circuit Diagram
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Also See for iR2020 Series:
- Service manual (406 pages) ,
- Facsimile manual (232 pages) ,
- Copying manual (124 pages)
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2 General Circuit Diagram
General Circuit Diagram
General Circuit Diagram 1
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Left Door Switch
SW3
1
J1918
2
1
2
1
J1919
Front Cover Switch
SW2
1
3
2
1
J12
Power Supply PCB (1/3)
1
2
3
(Connect To J54)
To Option Power
Supply PCB
(Connect To J53)
To Heater PCB
To NCU PCB
To Reader Controller PCB
To Reader Controller PCB
Film Bias
FT1
MT1
MT2
MT3
2
1
J32
Fixing Motor
M201
M
4
3
2
1
MT4
4
3
2
1
J251
MT5
1
2
J31
J30M
1
2
3
1
2
3
J30F
H
H2DRV
H1DRV
1
2
3
4
120/200V
J202
3
2
1
RLDRV
J13
/ZEROX
/ESS
H1DRV
H2DRV
DOPEN
GND
+3.3R
GND
+5R
GND
J16
GND
+24R
+24R
/ESS
GND
+3.3R
+24V
GND
+24R
H
GND
+5R
N
GND
+3.3R
VH-
XPCI
GND
VH+
GND
5V
+3.3R
5V
GND
GND
+5R
GND
GND
GND
+3.3V
To Image Processor PCB
+3.3V
+24V
+3.3V
+24V
+3.3V
GND
GND
GND
+24V
To Heater PCB
Fixing Unit
FT2
Fixing Film
Fixing Delivery Sensor
Speed Sensor
SR202
Main
Sub
SR101
Thermistor
Thermistor
MCT
J503
3
2
1
3
2
1
J253
1
2
3
4
5
6
1
2
3
4
5
6
7
J252L
J255DH
6
5
4
3
2
1
7
6
5
4
3
2
1
J252DH
J255D
J252D
1
2
3
4
5
6
7
8
9
10
11
12
J217
DC Controller PCB (1/3)
J214
FK2-1058
18
16
14
12
10
8
6
4
2
17
15
13
11
9
7
5
3
1
17
15
13
11
9
7
5
3
1
18
16
14
12
10
8
6
4
2
J100
HVT PCB
JP1,2
JP3,4
JP7,8
JP9,10
JP5,6
Tr3
Development
Copy
Remaining
Detection
Neutralization
DRUM
Fixing Bias
Contact Plate
Charge
F-2-1
Scanner Unit
BD
Sensor
Laser Unit
J2
J601
3
2
1
13 12 11 10 9
8
7
6
5
4
3
2
1
J256L
1
2
3
J256LH
3
2
1
J256D
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
J206
J205
J216
J213
3
2
1
8
7
6
5
4
3
2
1
J263
J260
5 J262
1
2
3
1
2
3
1
2
3
4
SR206
SR204
SW4
Waste Toner Full
Cassette 1 Paper
Cassette 1 Size Detection
Detection Sensor
Sensor
Switch
Polygon
Motor
M203
M
1
2
3
4
5
5
4
3
2
1
J3
6
7
8
J221
3
2
1
J261
1
2
3
SR203
No. 1 Delivery Sensor
5
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