Table of Contents
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A
B
C
Point To Point Diagram (A175 5911)
12
N
NF1
120V 60HZ
Circuit
Breaker
Noise
H
Filter
220~240V 50HZ
CB1˜
CN401-A1
[ 0 ]
C GND
-A2
S33
[ 5]
1st Lift
1st Lift
11
-A3
[ 5 ]
VCC
-A4
[ 0 ]
C GND
-A5
1st Paper End
S29
[
]
1st Paper End
-A6
[ 5 ]
VCC
-A7
[ 24 ]
VAA
1st Pick-up
SOL
-A8
[ 24]
1st Pick-Up Sol
8
-B1
[ 0 ]
C GND
-B2
[ 5]
S36
2nd Lift
2nd Lift
-B3
[ 5 ]
VCC
-B4
[ 0 ]
C GND
-B5
[
]
S34
2nd Paper End
2nd Paper End
-B6
[ 5 ]
VCC
-B7
[ 24 ]
VAA
10
SOL
2nd Pick-up
-B8
[ 24]
10
2nd Pick-up Sol
CN402-A1
[ 5]
1st Paper Feed
-A2
[ 0 ]
1st Paper Feed
S31
C GND
-A3
[ 5 ]
VCC
-A4
[ 24 ]
VAA
1st Separation
SOL
-A5
9
[ 24]
1st Separation Sol
Roller
-A6
[ 24 ]
VAA
MC
-A7
[ 24]
1st Feed
1st Feed M.C.
6
-A8
[ 5]
3rd Paper Feed
-A9
[ 0 ]
3rd Paper Feed
C GND
S40
-A10
[ 5 ]
VCC
-A11
VAA
[ 24 ]
VAA
SOL
3rd Separation
-A12
VCC
[ 24]
3rd Separtion Roller Sol
13
9
Roller
-A13
C GND
[ 24 ]
VAA
MC
3rd Feed
-A14
[ 24]
3rd Feed M.C.
A GND
8
-B1
[ 5]
2nd Paper Feed
-B2
[ 0 ]
2nd Paper Feed
S41
CGND
-B3
Motor OL
[ 5 ]
VCC
-B4
H/L Trigger
[ 24 ]
SOL
VAA
2nd Separation
-B5
Motor Trigger
11
[ 24]
2rd Separtion Roller Sol
Roller
-B6
C GND
[ 24 ]
VAA
MC
-B7
VCC
2nd Feed
[ 24]
2nd Feed Sol
7
-B8
P GND
[ 5 ]
15
LCT Motor OL
1
-B9
VAA
[ 0 ]
CGND
-B10
[ 5 ]
10
VCC
3
-B11
[ 24 ]
8
VAA
-B12
-B13
V
AA
[ 24 ]
VAA
-B14
[ 5 ]
9
7
Tray Down LED
CN403-A1
V
AA
SW
C GND
-A2
[ 5 ]
S37
3rd Lift
3rd Lift
-A3
[ 5 ]
V
VCC
AA
-A4
[ 0 ]
C GND
A
[ 24 0/24 ]
-A5
[
]
3rd Paper End
3rd Paper End
A
[ 24 0/24 ]
S39
-A6
[ 5 ]
VCC
B
[ 24 0/24 ]
-A7
[ 24 ]
VAA
B
[ 24 0/24 ]
SOL
3rd Pick-up
-A8
[ 24]
3rd Pick-Up
12
-B1
[ 0 ]
1
8
8
C GND
-B2
7
2
7
[ 5]
7
Tray Down
-B3
3
6
[ 5 ]
6
VCC
-B4
[ 0 ]
4
5
5
C GND
-B5
[
]
5
4
4
Tray Down
-B6
6
3
[ 5 ]
VCC
-B7
[ 24 ]
7
2
11
VAA
-B8
8
1
3
CN407-A1
[ 0 ]
C GND
-A2
[
[
]
]
2nd Paper Size5
-A3
SW
[
]
2nd Paper Size4
2nd Paper Size
-A4
[
]
4
2nd Paper Size3
-A5
[
]
2nd Paper Size2
-A6
[
]
2nd Paper Size1
-A7
4B
[ 24]
V
Heater Relay
6
-A8
U
[ 24 ]
VAA
-B1
[
]
2
LCT Set
-B2
14
[ 0 ]
C GND
-B3
-B4
[ 0 ]
C GND
-B5
[ 24 ]
VAA
SOL
Tandem Lock
-B6
[ 24]
7
Tandem Lock SOL
-B7
-B8
[ 0 ]
C GND
CN411-1
M
[ 24]
1st Lift Motor-up
1st Lift
-2
15
[ 24]
1st Lift Motor-Down
-3
[ 24]
M
2nd Lift Motor-up
2nd Lift
5
-4
16
[ 24]
2nd Lift Motor-Down
-5
[ 24]
LCT Motor-up
-6
[ 24]
LCT Motor-Down
-7
-8
CN412-A1
[ 0 ]
C GND
-A2
1st Paper
[
]
S30
1st Papar Near End
-A3
Near End
[ 5 ]
VCC
-A4
[ 0 ]
C GND
2nd Paper
-A5
[
]
S32
2nd Papar Near End
Near End
-A6
[ 5 ]
VCC
-A7
[ 0 ]
21
C GND
-A8
20
[
]
LCT Near End
4
-A9
[ 5 ]
19
VCC
-A10
18
[ 0 ]
C GND
-A11
17
[
]
Tray Papar Set
-A12
16
[ 5 ]
VCC
-B1
[ 0 ]
C GND
-B2
Not Used
-B3
[ 5 ]
VCC
-B4
[ 0 ]
C GND
Toner Collection
-B5
S35
[
]
Toner Collection
Motor
-B6
C GND
[ 5 ]
VCC
-B7
VCC
Toner Collection
[
]
Toner Cllecton Bottole Set
SW6
-B8
Bottole Set
[ 0 ]
2nd Tray Set
C GND
-B9
[
]
Toner Overflow
B
[ 24 0/24 ]
SW5
3
Toner Overflow
-B10
[ 0 ]
C GND
B
[ 24 0/24 ]
-B11
Not Used
A
[ 24 0/24 ]
-B12
3
[ 24 ]
VAA
A
[ 24 0/24 ]
8
8
8
2
Tray Down
S48
7
VAA
7
7
1
6
Side Fence
6
6
1
5
C GND
5
5
2
SW
4
4
4
Tray Down
3
10
10
C GND
10
10
4
9
9
9
Base Plate
5
15
15
VCC
15
4
11
11
11
C GND
3
Side Fence Position
3
3
LCT Motor
M21
3
VCC
2
CN414-3
2
[ 0 ]
1st Tray SOL
24
24
1
1
A GND
1
CN414-1
Reverse
[ 24]
12
12
3
3
[ 24 ]
VAA
Fo
[ 24]
Not Used
3
C GND
21
21
21
2
Rear Fence H.P.
LCT Near End
S47
20
20
20
1
VCC
19
19
19
3
18
18
18
2
C GND
Tray Paper Set
S49
17
17
17
1
16
16
C GND
16
2
2
Rear Fence Return
2
14
14
VCC
14
1
1
Left Tandem Paper End
C GND
1
VCC
A
B
C
D
E
F
G
F2
CN1-3
2
2
CN1-1
1
1
CN1-4
5
5
F1
CN1-2
4
4
CN4-2
9
9
2
2
2
2
Optics Anti-
CN4-1
6
6
1
1
1
1
H2
Condensation
3
3
2
2
Transfer Anti-
1
1
H1
Condensation
7
7
8
8
1G
N.C
CN3-1
U
RA1
CN2-4
-2
2
2
V
CN2-1
1
1
Upper Tray Heater (Option)
CN2-5
Heater Relay
CN2-2
CN2-6
2
2
CN2-3
Lower Tray Heater (Option)
1
1
CN5-2
Lightenig Arrester
2
CN5-1
(LA1)
1
CN801-1
CN801-3
Front Door Safety SW2
T2
T1
T6
T3
T4
T5
Development
Drive Toner Supply
M4
CN409-1
[ 24 ]
-2
[ 5 ]
-3
J 9C
[ 0 ]
-4
A
C
I
[ 0 ]
15C
7J
B
D
F
H
X
15C
6J
CN408-1
8
[
]
E
G
W
-2
6
[ 5 ]
-3
5
[ 5 ]
-4
4
M
[ 0 ]
Paper
-5
3
14
[ 5 ]
Feed
-6
2
[ 0 ]
-7
1
[ 24 ]
7
CN410-1
[ 24 ]
CN410-2
[ 24 ]
Lower Front
SW7
Door Safety
[ 24 ]
M
Toner
17
Collection
CN113-1
CN406-13
Not Used
-2
-12
[
]
Scan Input 3
-3
-11
[
]
Scan Input 4
-4
-10
[
]
Scan Input 5
-9
-5
[
]
Scan Input 6
-8
-6
[
]
Scan Input 7
-7
-7
[
]
Scan Output 1
-6
-8
[
]
Scan Output 2
-5
-9
[
]
Scan Output 3
-4
-10
[
]
Scan Output 4
-3
-11
[
]
Scan Output 5
-2
-12
[
]
Scan Output 6
-1
-13
[
]
Scan Output 7
CN405-A11
CN104
-A1
[ 5 ] 4th Lift Sensor
-A10
-A2
[ 5 ]
3rd Lift Sensor
-A9
-A3
[ 5 ]
2nd Lift Sensor
-A8
-A4
[ 5 ]
1st Lift Sensor
-A7
-A5
[ 24 0/24 ]
Side Fence Drive M A
-A6
-A6
[ 24 0/24 ]
Side Fence Drive M A
-A5
-A7
[ 24 0/24 ]
Side Fence Drive M B
-A4
-A8
[ 24 0/24 ]
Side Fence Drive M B
-A3
-A9
[
] CLK
-A2
-A10
[ 5 ]
L.E.
-A1
-A11
[ 0 ]
C GND
-B11
-B1
[ 0 ]
C GND
-B10
-B2
[ 5 ]
O.E.
-B9
-B3
[ 0 ]
C GND
-B8
-B4
[ 5 ]
4th Feed MC
-B7
-B5
[ 5 ]
3rd Feed MC
-B6
-B6
[ 5 ]
2rd Feed MC
-B5
-B7
[ 5 ]
1st Feed MC
-B4
-B8
4th Paper Feed Sensor
[ 5 ]
-B3
-B9
3rd Paper Feed Sensor
[ 5 ]
-B2
-B10
[ 5 ]
2rd Paper Feed Sensor
-B1
-B11
[ 5 ]
1st Paper Feed Sensor
Tandem Version Only
CN415-
2
[ 0 ]
CN415-
1
[ 5 ]
16
16
CN404- A1
[
]
1
1
CN404- A2
2
2
1
5
CN404- A3
3
3
2
4
Side
M
CN404- A4
4
4
3
3
19
Fence Drive
CN404- A5
5
5
4
2
D
CN404- A6
C
6
6
5
1
[ 24 ]
CN404- A7
5D
7
7
[
]
6D
CN404- A8
Side Fence
8
8
[ 0 ]
S50
X
Close
9
9
W
CN415- A9
10
10
[ 0 ]
Base Plate
CN415-A10
11
11
S42
[
]
CN415-A11
Down
12
12
[ 5 ]
CN415-A12
SA Fuse
13
[ 0 ]
13
CN415-A13
Side Fence
(120V only)
[
]
S43
14
14
CN415-A14
Positioning
[ 5 ]
15
15
CN415- B1
[
]
1
1
CN415- B2
M
Rear
2
2
CN415- B3
20
Fence Drive
3
3
CN415- B4
DJF
Sorter
4
4
CN415- B5
RDH
Finisher
[ 0 ]
5
5
CN415- B6
[
]
S45
Rear Fence H.P.
6
6
CN415- B7
[ 5 ]
7
7
8
8
CN415- B8
[ 0 ]
9
9
CN415- B9
[ 0 ]
10
10
Rear
CN415-B10
[
]
S44
11
11
Fence Return
CN415-B11
[ 5 ]
12
12
CN415-B12
[
]
13
13
CN415-B13
Left Tandem
[ 0 ]
S46
14
14
CN415-B14
Paper End
[ 5 ]
15
15
16
16
G
D
E
F
H
I
J
Exposure
L1
Fusing Lamps
(L2)
Main Power
Optics TS
Fusing TF
TS1
(TF1)
Main (SW9)
RA1
3
4
1
2
L
120V
M
only
N
16E
K
L
CN707
15E
-8
[ 24 ]
Fus.L.Trig 2
-7
[ 24 ]
Fus.L.Trig 1
-6
[ 24 ]
Exp.L.Trig
-5
[
5 ]
Lamp V(-)
-4
AC Drive (PCB1)
[
5 ]
Lamp V(+)
-3
Zero Cross (-)
[
5 ]
-2
Zero Cross (+)
[
5 ]
-1
V
AA
[24 ]
6D
J
Fusing/Duplex
Operation Panel
By-pass Feed
Auto
I
Key Connter
Drive
(Guidance)
Toner Bottle
Main
Response
(Option)
(PCB8)
Drive
S26
(PCB7)
M13
M3
CO1
M9
M5
M7
-7
-7
L
L
SOL1
MC1
LM
Pick-up Feed
2
LS3
LS1
LS2
LSW3
LS6
LS5
LS4
S15
L
Feed
Paper
Paper
Paper
Tray
Lift
Feed
Tray
Exit Duplex
SW2
Position
End
Near
Down
Down
Transport
End
Key
LM
LSW1
LCT
1
3.5K LCT
(Option)
H
I
J
M
K
L
N
Optic
Thermistor
TH2
Fusing
Thermistor
Lens
Lens
Optics
Auto
TH1
Lens
Platern
Horizontal
Vertical
Cooling
Image
Original
Scanner
Vertical
Cover
Position
Position
Fan
Densty
Width
H.P.
H.P.
Position-1
S1
S4
S2
M
S21
M10
M11
S18
12
O
Q
S
P
R
T
16E
CN503
-1
-2
-3
-4
-5
-6
-7
Optic Control
-8
(PCB3)
By-pass
Guide
Toner
Registration
Paper End
By-Pass
Vertical
plate
Near
By-pass
By-pass
Exhanst
Guide
Table
Transport
Registration
Positon
End
Pick-up
Feed
Fan
plate
S10
S7
S24
S8
SW1
Sol
MC
SOL
MC
S25
M2
3
3
4
2
Pressure Arm SOL
Duplex Positioning SOL
Duplex Transport MC
Duplex Feed MC
By-Pass Paper Size
Drum GND Relay
C Current Feed back
Erase
Lamp (L4)
M
M
M
M
25
23
22
SOL
1
24
Junction
Gate Duplex
S14
S14
Cooling
S17
S16
Fan
Paper
Fusing
S28
Guide
Exit
(TH3)
Image Density
S27
(Drum Thermistor)
Drum Potential
230V
Charge Wire
Only
Cleaner Drive
M
K
L
N
O
P
Q
12
3rd
3rd
Platen
Lens
Original
Original
Scanner
Scanner
Cover
Horizontal
Length -1
Length -2
Drive
H.P.
Position -2
H.P.
Original
Original
S19
S20
S5
S6
S3
Length
Length
M6
Extra -1
Extra -2
11
10
E
G
B
9
F
H
A
M1
M
Scanner
6D
5D
Drive
1
1
K
7B
2
2
L
CN115-1
V
AA
[ 24 ]
-2
120V Only
[ 24 ]
Main SW Trig
CN121-2
[ 5 ]
Fusing Set
T
-2
[ 0 ]
GND
S
-3
11B
Fusing Thermistor
[ 0~5 ]
R
-4
[ 0 ]
GND
Q
8
-5
VAA
[ 24 ]
P
-6
A GND
[ 0 ]
O
-7
10B
N
Not Used
-8
M
Not Used
CN112-A1
[ 5 ]
Duplex Set
1
1
-A2
VCC
[ 5 ]
2
2
Duplex
-A3
S12
Duplex Entrance
[ 5 ]
3
3
-A4
Entrance
C GND
[ 0 ]
4
4
-A5
VCC
[ 5 ]
5
5
Duplex
-A6
Duplex Exit
[ 5 ]
6
6
S11
-A7
Exit
C GND
[ 0 ]
7
7
-A8
C GND
[ 0 ]
8
8
-A9
Duplex
7
Duplex Exit
[ 5 ]
9
9
S13
-A10
Paper End
VCC
[ 5V ]
[ 5V ]
10
10
-A11
C GND
[ 0 ]
11
11
-A12
Jogger H.P.
[ 5 ]
S9
Jogger H.P.
12
12
-A13
VCC
[ 5 ]
13
13
-A14
Not Used
-A15
Not Used
-B15
C GND
[ 0 ]
17
17
-B14
2
VAA
[ 24 ]
18
18
-B13
5
VAA
[ 24 ]
19
19
-B12
3
Jogger
A
[ 24 0/24 ]
M9
20
20
-B11
6
B
[ 24 0/24 ]
21
21
-B10
1
A
[ 24 0/24 ]
22
22
-B9
4
B
[ 24 0/24 ]
23
23
6
-B8
VAA
[ 24 ]
24
24
SOL
Pressure Arm
-B7
[ 24 ]
25
25
6
-B6
[ 24 ]
VAA
26
26
Duplex
SOL
-B5
[ 24 ]
27
27
2
Positioning
-B4
[ 24 ]
VAA
28
28
MC
Duplex
-B3
[ 24 ]
29
29
4
Transport
-B2
[ 24 ]
VAA
30
30
MC
-B1
[ 24 ]
31
31
Duplex Feed
5
CN114-1
TD Sensor VR
[ 0~12 ]
-2
+12V
[ 12 ]
Toner
-3
S23
[ 0~5 ]
VTD
Density
-4
[ 0 ]
C GND
5
[ 0 ]
-5
C GND
By-Pass
[ 0~5 ]
-6
S22
Paper Size
-7
VCC
[ 5 ]
Development Bias Control (PCB4)
CN115
CN601
1
T Belt Position Sol
[ 24 ]
-1
-7
2
VAA S1
[ 24 ]
VAA
[ 24 ]
-2
-6
3
A GND
[ 0 ]
P GND
[ 0 ]
-3
-5
4
[ 24 ]
CCM (+)
[
5 ]
PWM T
-4
-4
5
CCM (-)
[ 24 ]
T-Current Feed back
-5
-3
6
QL.PLT
[ 5 ]
GND
[ 0 ]
-6
-2
7
[ 24 ]
T Voltage Feed back
-7
-1
8
Transfer Belt Sol
[ 24 ]
[ 0 ]
GND
CN116
CN606
4
-1
-10
PWM C
[
5 ]
-2
-9
-3
-8
PWM G
[
5 ]
-4
-7
G.vol.Feed back
-5
-6
PWM B
[
5 ]
-6
-5
B.vol.Feed back
-7
-4
PWM T
[
5 ]
-8
-3
T. Vol Feed back
-9
-2
AN GND
[ 0 ]
-10
-1
Transfer
3
P.P.
(PP1)
T1
T2
T3
@
GND
2
CN661-3
GND [ 0 ]
Pre-Trensfer
[ 24 ]
VAA
L5
-4
[ 24 ]
Charge
PTL
CN663-1
[ 24 ]
Grid
VAA
L3
SOL
-2
[ 24 ]
QL
5
Quenching
Transport Belt
CN662-1
[ 24 ]
CCM (+)
Charge
Positioning
M8
-2
[ 24 ]
CCM (-)
P.P.
(PP2)
1
O
Q
P
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