Ricoh A220 Service Manual page 38

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A
B
C
Point To Point Diagram (A175/A191/A192 4 Tray Version and A220 Version)
12
N
120V 60HZ
NF1
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 ]
8
1st Pick-Up Sol
-B1
[ 0 ]
C GND
-B2
[ 5]
2nd Lift
S36
2nd Lift
-B3
[ 5 ]
VCC
-B4
[ 0 ]
C GND
-B5
[
]
S34
2nd Paper End
2nd Paper End
-B6
[ 5 ]
VCC
-B7
[ 24 ]
VAA
SOL
10
-B8
2nd Pick-up
[ 24 ]
2nd Pick-up Sol
10
CN402-A1
[ 5 ]
1st Paper Feed
-A2
1st Paper Feed
[ 0 ]
C GND
S31
-A3
[ 5 ]
VCC
-A4
[ 24 ]
SOL
VAA
1st Separation
-A5
9
[ 24 ]
1st Separation Sol
Roller
-A6
[ 24 ]
VAA
MC
-A7
1st Feed
[ 24 ]
1st Feed M.C.
6
-A8
[ 5 ]
3rd Paper Feed
-A9
[ 0 ]
3rd Paper Feed
S40
C GND
-A10
[ 5 ]
VCC
-A11
[ 24 ]
VAA
VAA
SOL
3rd Separation
-A12
VCC
[ 24 ]
3rd Separtio n Rolle r Sol
13
9
Roller
-A13
[ 24 ]
C GND
VAA
MC
3rd Feed
-A14
[ 24 ]
A GND
3rd Feed M.C.
8
-B1
[ 5 ]
2nd Paper Feed
-B2
[ 0 ]
S41
CGND
2nd Paper Feed
-B3
Motor OL
[ 5 ]
VCC
-B4
H/L Trigger
[ 24 ]
VAA
SOL
2nd Separation
-B5
Motor Trigger
11
[ 24 ]
2rd Separtio n Rolle r Sol
Roller
-B6
[ 24 ]
C GND
VAA
MC
-B7
2nd Feed
VCC
[ 24 ]
2nd Feed Sol
7
-B8
P GND
[ 5 ]
4th Paper Feed
-B9
VAA
[ 0 ]
CGND
S54
4th Paper Feed
-B10
[ 5 ]
VCC
-B11
[ 24 ]
8
SOL
VAA
4th Separation
-B12
15
[ 24 ]
4th Separtio n Rolle r Sol
Roller
-B13
V
[ 24 ]
VAA
AA
MC
4th Feed
-B14
[ 24 ]
4th Feed M.C.
9
CN403-A1
V
SW
[ 0 ]
AA
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 ]
B
[ 24 0/24 ]
VAA
SOL
3rd Pick-up
-A8
[ 24 ]
12
3rd Pick-Up
-B1
[ 0 ]
C GND
-B2
[ 5 ]
7
4th Lift
4th Lift
S51
-B3
[ 5 ]
VCC
-B4
[ 0 ]
C GND
-B5
[
]
4th Paper End
S53
4th Paper End
-B6
[ 5 ]
VCC
-B7
[ 24 ]
VAA
SOL
4th Pick-up
-B8
[ 24 ]
4th Pick-up
14
CN407-A1
[ 0 ]
C GND
-A2
[
[
]
]
2nd Paper Size5
-A3
[
]
SW
2nd Paper Size4
-A4
4
[
]
2nd Paper Size3
-A5
2nd Paper Size
[
]
2nd Paper Size2
-A6
[
]
2nd Paper Size1
4B
-A7
[ 24 ]
6
V
Heater Relay
-A8
[ 24 ]
U
VAA
-B1
[
]
3rd Tray Set
3rd Tray Set
SW 8
-B2
[ 0 ]
C GND
-B3
[
]
4th Tray Set
SW1 1
4th Tray Set
-B4
[ 0 ]
C GND
-B5
[ 0 ]
VAA
-B6
-B7
[
]
1st Tray Set
1st Tray Set
SW 3
-B8
[ 0 ]
C GND
CN411-1
M
[ 24 ]
1st Lift Motor-up
1st Lift
-2
15
[ 24 ]
1st Lift Motor-Down
-3
M
[ 24 ]
2nd Lift Motor-up
2nd Lift
5
-4
16
[ 24 ]
2nd Lift Motor-Down
-5
[ 24 ]
3rd Lift Motor-up
3rd Lift
M
-6
18
[ 24 ]
3rd Lift Motor-Down
-7
[ 24 ]
4th Lift
M
4th Lift Motor-up
-8
26
[ 24 ]
4th Lift Motor-Down
-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 ]
C GND
3rd Paper
-A8
S38
[
]
3rd Papar Near End
4
Near End
-A9
[ 5 ]
VCC
-A10
[ 0 ]
C GND
4th Paper
-A11
S52
[
]
4th Papar Near End
Near End
-A12
[ 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
[
]
Toner Cllecton Bottole
VCC
Toner Collection
SW 6
-B8
[ 0 ]
2nd Tray Set
Bottole Set
C GND
-B9
[
]
Toner Overflow
B
[ 24 0/24 ]
3
Toner Overflow
SW 5
-B10
[ 0 ]
C GND
B
[ 24 0/24 ]
-B11
Not Used
A
[ 24 0/24 ]
-B12
[ 24 ]
VAA
A
[ 24 0/24 ]
VAA
Side Fence
C GND
C GND
Base Plate
VCC
C GND
Side Fence Position
VCC
2
1st Tray SOL
Reverse
Fo
Not Used
C GND
Rear Fence H.P.
VCC
C GND
C GND
Rear Fence Return
VCC
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
Optic s Anti-
CN4-1
6
6
1
1
1
1
H2
Condensation
3
3
2
2
Transfe r Anti -
1
1
H1
Condensation
7
7
8
8
1G
N.C
CN3-1
U
RA1
-2
CN2-4
2
2
V
CN2-1
1
1
Uppe r Tray Heate r (Option)
CN2-5
Heater Relay
CN2-2
3
CN2-6
2
2
3
CN2-3
Lowe r Tray Heate r (Option)
1
1
CN5-2
Lightenig Arrester
2
CN5-1
(LA1)
1
CN801-1
2
2
CN801-3
1
1
Front Door Safety SW2
T2
T1
T6
T3
T4
T5
Development
Drive
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
CN406-13
CN113-1
Not Used
-12
-2
[
]
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
-8
-6
[
]
Scan Output 2
-9
-5
[
]
Scan Output 3
-4
-10
[
]
Scan Output 4
-3
-11
[
]
Scan Output 5
-2
-12
[
]
Scan Output 6
-1
-13
[
]
Scan Output 7
CN104
CN405-A11
-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
[ 5 ]
3rd Paper Feed Sensor
-B2
-B10
[ 5 ]
2rd Paper Feed Sensor
-B1
-B11
[ 5 ]
1st Paper Feed Sensor
Tandem Version Only
[ 0 ]
CN415-
2
CN415-
1
[ 5 ]
16
16
CN404- A1
[
]
1
1
CN404- A2
2
2
1
5
CN404- A3
3
3
2
4
Side
CN404- A4
M
4
4
3
3
Fence Drive
CN404- A5
19
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
[ 0 ]
10
CN415-A10
Base Plate
S42
[
]
11
11
CN415-A11
Down
[ 5 ]
12
12
CN415-A12
SA Fuse
[ 0 ]
13
13
CN415-A13
Side Fence
(120V only)
[
]
14
14
S43
CN415-A14
Positioning
[ 5 ]
15
15
CN415- B1
[
]
1
1
CN415- B2
M
Rear
[ 24]
2
2
CN415- B3
20
Fence Drive
[ 24]
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
CN415-B10
Rear
[
]
S44
11
11
CN415-B11
Fence Return
[ 5 ]
12
12
CN415-B12
[
]
13
13
Left Tandem
CN415-B13
[ 0 ]
S46
14
14
Paper End
CN415-B14
[ 5 ]
15
15
16
16
D
E
F
G
J
H
I
Exposure
L1
Fusing Lamps
(L2)
Main Power
Optics TS
Fusing TF
TS1
(TF1)
Main (SW9)
RA1
3
4
1
2
L
120V
only
1
1
K
L
15E
[ 24 ]
Fus.L.Trig 2
Fus.L.Trig 1
[ 24 ]
Exp.L.Trig
[ 24 ]
[
5 ]
Lamp V(-)
Transformer
AC Drive (PCB1)
[
5 ]
Lamp V(+)
230V/120V
Zero Cross (-)
[
5 ]
Zero Cross (+)
[
5 ]
V
[24 ]
AA
6D
J
Fusing/Duplex
Operation Panel
By-pass Feed
Auto
I
Key Connter
Drive
(Guidance)
Toner Bottle
Main
(Option)
Response
Toner Supply
Drive
S26
M5
M13
M3
-7
CO1
M9
M7
-7
Main PCB (PCB2)
Symbol Table
DC Line
AC Line
Pulse Signal
Signal Direction
Active High
Active Low
[
]
Voltage
A175
A191
A192
3rd Paper Feed
Yes
Yes
4th Paper Feed
Yes
Yes
Tandem
No
Yes
M22,M23
No
Yes
M25
No
No
Transformer-230V/120V
No
No
L
L
SOL1
MC1
LM
Pick-up Feed
2
LS3
LS1
LS2
LSW3
LS6
LS5
LS4
Feed
L
Paper
Paper
Paper
Tray
Lift
Feed
Tray
SW2
Position
End
Near
Down
Down
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
Scanner
Vertical
Cover
Position
Position
Fan
Densty
H.P.
H.P.
Position-1
S1
S4
S2
M
M10
M11
S18
12
M
O
Q
S
N
P
R
T
16E
16E
CN707
CN503
-8
-1
-7
-2
-6
-3
-5
-4
-4
-5
-3
-6
-2
-7
Optic Control
-1
-8
(PCB3)
By-pass
Guid e
Toner
Registration
Pape r End
By-Pass
Vertical
plat e
Near
By-pass
By-pass
Exhans t
Guid e
Table
Transport
Registration
Positon
End
Pick-up
Feed
plate
Fan
(PCB8)
S10
S7
S24
S8
SW 1
(PCB7)
S25
Sol
MC
SOL
MC
M2
3
3
4
2
A220-10 A220-22 A222-29
-17
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
No
No
Yes
No
No
No
Yes
No
No
No
No
No
Yes
Yes
Erase
Lamp (L4)
M
M
M
25
23
22
M
SOL
1
24
Junction
Gate Duplex
S15
S14
S14
Cooling
S17
S16
Fan
Exit Duplex
Paper
Fusing
Image Density
Transport
Guide
Exit
(Drum Thermistor)
S27
Drum Potential
60/70
CPM only
K
M
N
L
O
P
Q
3rd
3rd
Platen
Lens
Original
Original
Original
Scanner
Scanner
Cover
Horizontal
Width
Length -1
Length -2
Drive
H.P.
Position -2
H.P.
Original
Original
S21
S19
S20
Length
Length
S5
S6
S3
M6
Extra -1
Extra -2
E
G
B
M1
M
F
H
A
Scanner
6D
5D
Drive
1
1
K
7B
2
2
L
CN115-1
V
[ 24 ]
AA
-2
120V Only
Main SW Trig
[ 24 ]
CN121-2
Fusing Set
[ 5 ]
T
-2
[ 0 ]
S
GND
-3
11B
[ 0~5 ]
Fusin g Thermistor
R
-4
[ 0 ]
GND
Q
-5
VAA
[ 24 ]
P
-6
A GND
O
[ 0 ]
-7
10B
N
Not Used
-8
M
Not Used
CN112-A1
Duplex Set
[ 5 ]
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
[ 0 ]
C GND
8
8
-A9
Duplex
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 ]
20
20
M9
-B11
6
B
[ 24 0/24 ]
21
21
-B10
1
A
[ 24 0/24 ]
22
22
4
-B9
B
[ 24 0/24 ]
23
23
-B8
VAA
[ 24 ]
24
24
SOL
Pressure Arm
-B7
Pressure Arm SOL
[ 24 ]
25
25
6
-B6
[ 24 ]
VAA
26
26
Duplex
SOL
-B5
Duplex Positioning SOL
[ 24 ]
27
27
Positioning
2
-B4
VAA
[ 24 ]
28
28
Duplex
MC
-B3
Duplex Transport MC
[ 24 ]
29
29
4
Transport
-B2
VAA
[ 24 ]
30
30
MC
-B1
[ 24 ]
Duplex Feed
Duplex Feed MC
31
31
5
CN114-1
TD Sensor VR
[ 0~12 ]
-2
+12V
[ 12 ]
Toner
-3
S23
VTD
[ 0~5 ]
Density
-4
C GND
[ 0 ]
-5
[ 0 ]
C GND
-6
By-Pass
[ 0~5 ]
By-Pass Paper Size
S22
-7
Paper Size
[ 5 ]
VCC
Development Bias Control (PCB4)
CN1 15
CN601
1
[ 24 ]
T Belt Position Sol
-1
-7
2
VAA S1
[ 24 ]
VAA
[ 24 ]
-2
-6
3
A GND
[ 0 ]
P GND
[ 0 ]
-3
-5
4
[ 24 ]
CCM (+)
PWM T
[
5 ]
-4
-4
5
CCM (-)
[ 24 ]
T-Current Feed back
-5
-3
6
QL.PLT
[ 5 ]
GND
[ 0 ]
-6
-2
7
Drum GND Relay
[ 24 ]
T Voltage Feed back
-7
-1
8
Transfer Belt Sol
[ 24 ]
GND
[ 0 ]
CN1 16
CN606
-1
-10
[
5 ]
PWM C
-2
-9
C Curren t Feed back
-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
-10
-1
[ 0 ]
Transfer
P.P.
(PP1)
T1
T2
T3
GND
Pre-Trensfer
S28
CN661-3
GND [ 0 ]
[ 24 ]
VAA
(TH3)
L5
-4
Charge
[ 24 ]
PTL
CN663-1
[ 24 ]
VAA
Grid
L3
-2
SOL
[ 24 ]
QL
5
Quenching
Transport Belt
CN662-1
Charge Wire
[ 24 ]
CCM (+)
Charge
Positioning
M8
-2
[ 24 ]
CCM (-)
P.P.
Cleaner Drive
(PP2)
O
P
Q
12
11
10
9
8
7
6
5
4
3
2
1

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