Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 953 / 987

Host machine_7/13
A
C
B
D
E
F
A
C
B
D
E
F
4 3 2 7 6 5 1 8
3 2 1 4
S-G
N
D
P-G
N
D
+3
.3
V
S-G
N
D
D
EV_
AC
_
C
L
K_
N
(W
BP)
D
EV_
AC
_
C
L
K_
P(W
BP)
D
EV_
AC
_
AMP
D
EV_
D
C
_
PW
M_
Y
D
EV_
D
C
_
PW
M_
M
D
EV_
D
C
_
PW
M_
C
D
EV_
D
C
_
PW
M_
K
D
EV_
D
C
_
C
L
K
D
EV_
AC
_
R
MT
_
Y
D
EV_
AC
_
R
MT
_
M
D
EV_
AC
_
R
MT
_
C
D
EV_
AC
_
R
MT
_
K
C
H
G
_
D
C
_
ISN
S_
M
C
H
G
_
D
C
_
ISN
S_
C
C
H
G
_
D
C
_
ISN
S_
K
+2
4
V
+2
4
V
P-G
N
D
C
H
G
_
D
C
_
PW
M_
M
C
H
G
_
D
C
_
C
L
K
C
H
G
_
D
C
_
PW
M_
C
C
H
G
_
D
C
_
PW
M_
K
T
R
2
_
P_
PW
M
T
R
2
_
P_
C
L
K
T
R
2
_
N
_
PW
M
T
R
2
_
N
_
C
L
K
S-G
N
D
T
R
2
_
VSN
S
T
R
2
_
ISN
S
S-G
N
D
I2
C
_
SC
L
_
H
V_
C
H
G
I2
C
_
SD
A_
H
V_
C
H
G
C
H
G
_
D
C
_
ISN
S_
Y
+2
4
V
P-G
N
D
+3
.3
V
S-G
N
D
C
H
G
_
D
C
_
PW
M_
Y
O
P_
C
ST
_
C
N
C
T
O
P_
C
ST
_
IR
Q
O
P_
C
ST
_
T
x
O
P_
C
ST
_
R
x
+5
V_
F
U
+2
4
V_
O
P
+2
4
V_
O
P
+3
.3
V
UN04
DC Controller PCB
UN33
Environment Sensor
UN06
Developing High-voltage PCB
UN02
Secondary Transfer High-voltage PCB
G
N
D
G
N
D
G
N
D
G
N
D
+3
.3
V
EN
VH
U
MD
T
Y
G
N
D
EN
VT
EMP
PIN5901
SOLD5901
PIN5902
SOLD5902
18 17 16 15 14 13 12 11 10 9 8 2 3 4 5 6 1 7 19
J251
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 11
J241
12 11 10 9 8 2 3 4 5 6 1 7
J5904
J5904D
1 2 3 4
J5201
18 17 16 15 14 13 12 11 10 9 8 2 3 4 5 6 1 7 19
J183
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 11
J184
12 11 10 9 8 2 3 4 5 6 1 7
J190
1 2 3 4
J171
P.7
General Circuit Diagram
942