Page 1
ELECTRICAL COMPONENT LAYOUT (A173)
5
6
16
23
25
24
26
27
28
1
2
3
4
7
8
9
10
11
12
13
22
21
20
19
14
15
17
18
A173S500.wmf
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40
41
29
30
31
32
33
34
35
39
38
36
37
A173S501.wmf
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Symbol Name Index No. P to P
Motors
M1 Main Motor 5 G-8
M2 Scanner Motor 4 A-7
M3 Lens Motor 2 H-2
M4 4th/5th Mirror Motor 8 I-2
M5 Optics Cooling Fan
Motor
M6
M7
Clutches
CL1 Registration Clutch 9 I-2
CL2 1st Paper Feed
CL3 2nd Paper Feed
CL4 Relay Roller Clutch 13 J-2
CL5 Toner Supply Clutch 7 K-2
Exhaust Fan Motors 34 P-5
Clutch
Clutch
41 L-2
P-4
11 I-2
16 J-2
Switches
SW1 1st Paper Size
Switch
SW2 Right Cover Switch 14 P-8
SW3 2nd Tray Set Switch 19 P-7
SW4 Manual Feed Table
Switch
SW5 Cover Open Switch 32 B-11
SW6 Main Switch 33 D-12
Sensors
S1 Scanner Home
Position Sensor
S2 Lens Home Position
Sensor
S3 4th/5th Mirror Home
Position Sensor
S4 ADS Sensor 25 P-11
S5 Registration Sensor 18 P-10
S6 2nd Paper End
Sensor
S7 Image Density (ID)
Sensor
S8 1st Paper End
Sensor
S9 Exit Sensor 26 P-5
15 P-9
10 P-5
1G-2
3G-2
6L-2
17 P-7
21 P-6
12 P-6
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Symbol Name Index No. P to P
Printed Circuit Boards
PCB1 Main Board 40 M-7
PCB2 Power Supply/
AC Drive Board
PCB3 Operation Panel
Board
Lamps
L1 Erase Lamp 22 Q-12
L2 Quenching Lamp 23 J-7
L3 Fusing Lamp 24 B-9
L4 Exposure Lamp 31 B-7
Power Packs
P1 CC/Grid/Bias Power
Pack
P2 TC/SC Power Pack 39 J-8
Heaters
H1 Anti-condensation
Heater
36 E-7
29 J-11
38 J-9
35 G-10
Counters
CO1 Total Counter 20 Q-9
Others
C1 Main Motor Capacitor 37 G-9
TF1 Fusing Thermofuse 28 B-9
TF2 Optics Thermofuse 30 B-7
TH1 Fusing Thermistor 27 Q-4
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