Konica 7920 Wiring Diagram 7920fv6e
Electrical.fm Page 1 Friday, February 16, 2001 8:45 AM
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7915/7920 ELECTRICAL PARTS LAYOUT
A
B
C
D
E
F
G
H
J
K
L
RY1
HV2
PWB-PIC
PWB-H
HSD-IDN
SW4
M21
M8
PC8
M11
PC28
M15~18
CL11~14
HV1
M22
HV3
PWB-I1
I
PWB-A
PC33
PC31
M2
SW B
SW A
M1
PWB-IC
PWB-A
PWB-Z
PC25
PU2
F4
PC30
PWB-D
M3
PC32
LA1
PC34
SW D
SW C
M24
CL1
PC4
PC3
PC104
M101
M4
PWB-C
SW10
UN1
4004D173AB
PU1
PC103
PC24
PC9
PWB-I
M14
PC5
CL3
PC6
M23
PC11
SW2
PC15
M5
4004D174AC
M13
PC101
PC13
4004D175AD
2nd Transfer Unit
CL15
CL21
PC23
LED Unit
PC10
SW9
SW1
CNT2
PWB-T
UN21
CL101
UN23
PC105
UN20
PC102
PWB-S
UN101
PC17
PC19
UN M
UN Y
PC29
Transfer Belt Unit
Fusing Unit
Fusing Web Unit
Imaging Unit (Y,M,C)
PC20
4004D179AB
UN C
Hopper Unit
M10
SW3
A-5
UN Bk
PWB-N1
PC18
4004D181AB
Oil Coating Unit
Imaging Unit (Bk)
4004D227AA
SW7
SW8
4004D177AA
PWB-LK
PWB-N3
PWB-N2
4004D176AB
4004D226AA
SW5
SW6
M9
SYMBOL PART NAME LOCATION GRID
CL1 1st Drawer Paper Take-Up Clutch A-8 G-6
CL3 Manual Feed Paper Take-Up Clutch A-1~2 B-6
CL11 Developing Clutch Y B-16 G-2
CL12 Developing Clutch M B-17~18 G-2
CL13 Developing Clutch C C-16 G-2
CL14 Developing Clutch Bk D-18 G-2
CL15
CL21 Synchronizing Roller Clutch H-2 K-8
CL101 2nd Drawer Paper Take-Up Clutch I-5 H-5
CNT1 Mechanical Counter (OP) D-36 —
CNT2 Total Counter D~E-36 C-8
F4 Temperature Fuse G-21 K-4
HSD-IDN Memory Board C-33~34 C-1
HV1 High Voltage Unit 1 B-21~22 H-4
HV2 High Voltage Unit 2 A~C-5~6 B-4
HV3 High Voltage Unit 3 B~C-19~20 H-4
LA1 Exposure Lamp G-21 K-4
M1 Scanner Motor H-22 J-4
M2 Original Glass Cooling Fan Motor I-19~20 K-3
M3 IR Cooling Fan Motor 1 H-19~20 K-3
M4 IR Cooling Fan Motor 2 H-19~20 K-5
M5 Cleaning Web Drive Motor E~F-2 C-8
M8 Fusing Pressure/Retraction Motor F-2 F-5
M9 Toner Replenishing Motor C/Bk A-10 K-14
M10 Toner Replenishing Motor Y/M B-12 L-12
M11
M13 Main Motor A-36 G-5
M14 Fusing Drive Motor E-2 F-6
M15 Imaging Unit Motor Y A~B-15 G-1
M16 Imaging Unit Motor M A~B-17 G-1
M17 Imaging Unit Motor C C~D-16 G-1
M18 Imaging Unit Motor Bk C~D-17~18 G-1
M21 Power Supply Cooling Fan Motor E-29 C-4
M22 Ozone Ventilation Fan Motor A-19 H-4
M23 Fusing Cooling Fan Motor 1 G-2 B-7
M24 Fusing Cooling Fan Motor 2 F-2 B-5
M101 2nd Drawer Paper Take-Up Motor G-6 H-5
PC3 1st Drawer Set Sensor C-8 H-5
PC4
PC5 CD Paper Size Detecting Sensor B-8 H-7
PC6 1st Paper Empty Sensor B-8 H-7
PC8 Fusing Retraction Position Sensor G-2 F-5
PC9
PC10 Exit Sensor E~F-8 B-8
PC11 Toner Supply Door Sensor B-12 C-7
PC13 1st Double Feed Sensor C-8 H-7
PC15 Manual Feed Paper Take-Up Sensor B-1~2 C-7
PC17 Synchronizing Roller Sensor I-2 K-9
PC18 Waste Toner Bottle Se t Sensor F-36 C-13
PC19 OHP Detecting Sensor H-2 K-10
PC23
PC24 Scanner Home Sensor G-19~20 K-6
PC25 Original Cover Detecting Sensor H-19~20 K-2
PC28
PC29 Waste Toner Full Detecting Sensor F-36 B-12
PC30
PC31 Original Size Detecting Sensor FD2 G-19~20 K-3
PC32 Original Size Detecting Sensor CD1 G-19~20 K-3
PC33
PC34
PC101 2nd Drawer Paper Take-Up Sensor H-6 H-8
PC102 2nd Drawer Paper Empty Sensor I-6 H-7
PC103
PC104 2nd Drawer Door Set Sensor H~I-5 H-6
PC105
PU1 DC Power Supply 1 F~I-28~30 C-4
2nd Image Transfer Pressure/
Retraction Clutch
1st Image Transfer Pressure/
Retraction Motor
1st Drawer Paper Near-Empty
Sensor
Fusing Roller Rotation Detecting
Sensor
2nd Image Transfer Pressure
Position Sensor
1st Image Transfer Retraction
Position Sensor
Original Size Detecting Sensor FD1
(✽1)
Original Size Detecting Sensor FD3
(✽2)
Original Size Detecting Sensor CD2
(✽2)
2nd Drawer Paper Near-Empty
Sensor
2nd Drawer Paper Double Feed
Sensor
E-6 J-8
C~D-6 G-4
B-8 H-5
G-2 B-6
F-6 K-9
C-6 G-4
F-19~20 K-3
F-21 K-3
F~G-21 K-3
I-6 H-6
H-6 H-7
SYMBOL PART NAME LOCATION GRID
PU2 DC Power Supply 2 A~C-29~30 K-3
PWB-A Control Board G~I-7~8 H-5
PWB-A CCD Sensor Board E~F-23~25 K-4
PWB-C Image Processing Board D~I-25~27 K-4
PWB-D IR PRIF Board B~C-25~27 K-3
PWB-H MSC Board H~I-23~25 C-1
PWB-I Master Board E~I-10~18 C-6
PWB-I1 Paper Size Detecting Board D~E-7~8 H-5
PWB-IC Scanner Motor Drive Board H-20~21 J-4
PWB-LK LED Board C~E-20~22 B-14
PWB-N1 ATDC Sensor Y B~C-12 C-13
PWB-N2 ATDC Sensor M C-12 B-13
PWB-N3 ATDC Sensor C D-12 B-14
PWB-PIC PIC Board A~C-32~34 B-1
PWB-S Paper Type Detection Board C~D-7~8 H-8
PWB-T Tech. Rep. Setting Switches Board E-36 C-8
PWB-Z Flat Cable G-21~22 K-3
RY1 Charge Neutralizing Relay A-5 B-5
SW A Paper Size Detecting Switch 1 H-9 I-4
SW B Paper Size Detecting Switch 2 H-9 H-5
SW C Paper Size Detecting Switch 3 I-5 H-5
SW D 2nd Drawer Set Switch H-5 H-5
SW1 Power Switch C-36 C-8
SW2 Right Door Switch B-36 F-6
SW3 Front Door Switch C-36 L-12
SW4 Left Door Switch B-36 C-4
SW5 Toner Empty Switch Bk A-10 K-15
SW6 Toner Empty Switch C A-12 K-14
SW7 Toner Empty Switch M A-12 K-14
SW8 Toner Empty Switch Y A-12 L-13
SW9 Upper Right Door Switch A-21 C-8
SW10 Size Reset Switch I-19~20 K-5
UN Bk LED Array Bk D-22 A-13
UN C LED Array C D-21 B-13
UN M LED Array M D-20 B-12
UN Y LED Array Y D-20 B-12
UN1 Control Panel H~I-22~23 K-5
UN20 AIDC/Resist Sensor 1 D-6 H-7
UN21 AIDC/Resist Sensor 2 D-6 G-6
UN23 T e mper a t ure/ humidi ty Sensor D-10 H-7
UN101
✽
✽
2nd Drawer Paper Near-Empty
Board
1: Optional for the U.S.A.
2: Optional for the Europe, U.S.A., and Taiwan
G~H-6 I-8
4004-B301-0A
Connect.fm Page 1 Friday, February 16, 2001 8:43 AM
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7915/7920 CONNECTORS LAYOUT
A
Transfer Belt Unit
CN80
2
B
6
CN46
CN41
C
D
E
F
G
H
J
K
L
CN51
12
CN60
CN65
2
CN86
CN52
CN50
14
12
CN49
8
14
9
CN53
2
CN84
CN5
12
3
CN3
3
CN77
CN81
3
CN82
CN83
3
3
4
CN61
CN2
3
CN55
CN70
CN1
2
2
11
CN33
7
CN35
8
11
CN62
2
4
12
2
5
CN63
CN64
CH12
I
8
CN6
CN22
8
3
CN31
3
2
CN87
CN7
CN72
CN42
CN20
CN21
8
CN36
4
10
25
CN45
7
4
7
6
CN56
4004D166AB
4004D165AB
8
CN9
CN8
4004D171AB
CN16
6
CN13
2
3
CN17
CN69
4
CN54
CN14
Fusing Web Unit
2nd Transfer Unit
2
2
CN30
Description
Number of Pin Possible to confirm by removing external cover.
Fusing Unit
4004D168AB
Imaging Unit (Y,M,C)
➀
Not possible to confirm by removing external cover.
1
4004D170AA
4004D226AA
Hopper Unit
2
CN37
Imaging Unit (Bk)
Oil Coating Unit
2
2
CN39
CN38
4004D172AB
4004D227AA
2
CN40
CN No. LOCATION GRID
CN1 2P I-5 D-4
CN2 3P H-19 H-3
CN3 3P I-19 H-2
CN5 12P F-33 G-1
CN6 8P B-23 L-5
CN7 8P A-23 K-5
CN8 8P C-23 K-6
CN9 8P D~E-23 K-7
CN12 2P H-30 D-4
CN13 2P D-35 C-7
CN14 2P E-6 G-8
CN16 6P E~F-2 C-7
CN17 3P E~F-9 D-7
CN20 7P D-6 D-7
CN21 7P D-6 D-7
CN22 3P H-19 G-5
CN30 2P H-2 G-8
CN31 3P G-2 C-6
CN33 8P A~B-3 C-4
CN35 4P B-12 D-4
CN36 4P A-11 C-7
CN37 2P A-12 H-13
CN38 2P A-12 H-14
CN39 2P A-12 H-14
CN40 2P A-11 G-15
CN41 2P A-2 C-4
CN42 2P D-35 D-6
CN45 5P C-35 D-7
CN46 6P C~D-6 B-4
CN49 8P D-19 D-2
CN50 12P C-13 D-2
CN51 9P F-35 D-2
CN52 14P B-23 D-2
CN53 14P C~D-23 D-2
CN54 4P C-9 D-7
CN55 2P A-9 C-4
CN56 6P B-9 D-7
CN60 12P F-34 C-2
CN61 4P G-6 D-3
CN62 11P G ~H-33 C-4
CN63 12P H~I-3 C-4
CN64 5P H-33 C-4
CN65 7P E-6 C-4
CN69 4P D-11 D-7
CN70 11P G-8 C-4
CN72 10P A-13 C-6
CN77 3P E-28 C-3
CN80 3P F-2 B-4
CN81 3P G-35 D-3
CN82 3P G-34 D-3
CN83 3P G-34 D-3
CN84 2P B-35 D-2
CN86 2P B-35 C-3
CN No. LOCATION GRID
CN87 2P I-19 H-6
4004-B401-0A
A-6
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