Wiring Data
Phaser® 3500 Laser Printer Service Manual
7-2
Block Diagram
MA
IN
COVEC
O
V
E
R
OPENO
P
E
N
LSUL
S
U
MAINM
A
IN
MOTORM
O
T
O
R
(
BLDC)B
L
D
C
)
JOINJ
O
IN
T
MAM
A
ININ
SOL.S
O
L
.
M
P
SOL.S
O
L
.
RER
E
GIG
I
SOL.S
O
L
.
MPM
P_EMPTY_
E
M
P
T
Y
P
_SIZE_
S
IZ
E
OUO
U
T_BIN.T
_
B
IN
.
S
ENSORE
N
S
O
R
T
HERM.H
E
R
M
.
DEVED
E
V
ELOPERL
O
P
E
R
FEF
E
EDE
D
SEN.S
E
N
.
EXE
X
ITIT
SEN.S
E
N
.
DEVED
E
V
E
MOTORM
O
T
O
R
DUPLEXD
U
P
L
E
X
B'DB
'D
(OPTIO(O
P
T
IO
N)N
)
SCS
C
F
B'B
'
D
(O(
O
P
T
IOI
O
N
)
SMS
M
PSP
S
FANF
A
N
MAM
A
ININ
FANF
A
N
FUF
U
S
E
R
COVC
O
V
E
R
O
PENP
E
N
S
MPSM
P
S
/
HVPSH
V
P
S
1
.D
EV_
AC_
PWM
22
.
24V
3
.D
EV_
AC_
Vpp
44
.
24V
5
.D
EV_
AC_
CON
66
.
24V
7
.D
EV_
VDC
_PW
M
88
.
24V
S
9
.F
USE
R
B
IAS
_PW
M
101
0
.
3.3
V
111
1
.MH
V_P
WM
1
2
1
2
.+
3.3
V
131
3
.MH
V_R
EAD
1
4
1
4
.+
3.3
V
151
5
.TH
V_P
WM
1
6
1
6
.V
CC
171
7
.TH
V_R
EAD
1
8
1
8
.
VC
C
191
9
.
nT
HV_
EN
202
0
.G
ND
212
1
.FU
SER
_CO
VER
222
2
,2,2
3,3
,242
4
.
GND
252
5
.FU
SER
_ON
2
6
2
6
,2,2
7,7
,
282
8
.G
ND
21
43
65
87
10
9
12
1
1
14
1
3
16
1
5
18
1
7
20
1
9
22
2
1
24
2
3
26
25
28
27
1
.+
5V
2
.P
TL_
ON
E - C
O
I
L
(
F
u
s
e
r )
ACA
C
ININ
-LET-L
E
T
/
POP
O
W
E
R
S
WITCHW
IT
C
H
110V
fo
r
U
S
A
220V
fo
r
E
U
1 . H O T
2 .
2 .N e u t r a
l
1.1
.
24
V
2
.
24V
3
.
24V
S
4
.
24V
S
PTLP
T
L
1
PTLP
T
L
2
1
.G
ND
22
.
LSU
_5v
33
.
LD_
POW
ER2
44
.LD
_PO
WER
1
5
.V
DO1
_mi
nus
66
.VD
O1_
plu
s
77
.VD
O1_
min
us
88
.
VDO
1_p
lus
9
.n
LD_
EN1
1
0
1
0
.nS
H1
1
1
1
1
.nS
H21
2.n
SH2
131
3
.n
HSY
NC_
min
us
141
4
.LS
U_C
LK
151
5
.
nRE
ADY
1
6
1
6
.LS
U_M
OT_
ON
171
7
.
GND
1
8
1
8
.24
VS
1
.2
4V
22
.P
_SI
ZE3
33
.FA
N_S
MPS
44
.P
_SI
ZE2
5
.F
AN_
MAI
N
66
.P
_SI
ZE1
7.7
.
8
.
THE
RM_
IN
9
.
TEM
P_2
101
0
.
FUS
ER_
ON
1
1
1
1
.1
2
1
2
.O
UTB
IN_
FUL
L
131
3
.CA
RT_
CLK
1
4
1
4
.
P_
REG
I
151
5
.C
ART
_DP
UT/
DIN
161
6
.P
_EM
PTY
1,1
,
2
.2
4
V
S
3,3
,
4,4
,
5
.D
GND
6
.
VCC
7
.n
MAI
N_M
OT_
ON
8
.M
AIN
_MO
T_R
EAD
Y
9
.M
AIN
_MO
T_C
LK
101
0
.
NC
1
.2
4VS
2
.M
AIN
_CL
UTC
H
3
.M
P_C
LUT
CH
4
.R
EGI
_CL
UTC
H
5
.M
P_E
MPT
Y
6
.+
3.3
V
7
.C
ASE
TTE
_DE
TEC
T
8
.D
GND
9
.T
EMP
_1
CN
1
2
1
.C
ont
rol
2
.2
4VS
1
.C
ont
rol
2.2
4VS
1
.C
ont
rol
2
.N
.C
3
2
4VS
1
.3
.3V
2
.S
IGN
AL
3
.D
GND
CN10
CN11
CN14
CN13
PCP
C
Pa
ra
lle
lP
o
rt
36
pin
U
S
B
P
or
t
4
pi
n
1
.+
5V
2
.+
3.3
V
3
.P
ANE
L_T
XD
4
.P
ANE
L_R
XD
5
.n
RST
OUT
6
.D
GND
1
.F
U
22
.C
H
3
.OP
C
4
.D
EV
5.S
UPP
LY
CN101
CN4
PANELP
A
N
E
L
1
.D
GND
2.2
.
P_
SIZ
E1
3
.P
_SI
ZE2
44
.P_
SIZ
E3
1.1
.
3.3
V
2.2
.
SIG
NAL
3.3
.
DGN
D
1
.D
GND
2
.F
EED
3
.E
MPT
Y
4
.3
.3V
1.1
.
THE
RM1
2
.T
HER
M2
TONERT
O
N
E
R
SENSOS
E
N
S
OR
+3 .3 V
CA RT
CL K
CA R T D A T A
DG N D
1
.D
GND
2
.C
ART
_CL
K
3
.C
ART
_DA
TA
4
.+
3.3
V
1.+
3.3
V
2.S
IGN
AL
3.D
GND
1.+
3.3
V
2.S
IGN
AL
3.D
GND
CN6
CN3
1 . H O T
2 . N eu t r
a l
CN1
CNC
N
4
CARC
A
R
T
2
1
16
15
CNC
N
5
DPD
P
X
_
S
O
L
CNC
N
6
LSUL
S
U
CN1C
N
1
3
PANP
A
N
E
L
CNC
N
151
5
COC
O
VERV
E
R
_
O
P
E
N
CNC
N
191
9
DEVE_MD
E
V
E
_
M
O
T
CN2C
N
2
0
PTP
T
L
21
28
27
CN1C
N
1
8
POWEP
O
W
E
R
CN1C
N
1
6
DUPLEXD
U
P
L
E
X
CNC
N
171
7
EXIE
X
IT_SENT
_
S
E
N
S
O
R
CNC
N
9
NIN
IC
CNC
N
7
MAM
A
C
CNC
N
171
7
DCD
C
_M_
M
O
T
ORO
R
CNC
N
222
2
JOJ
O
INTIN
T
CNC
N
141
4
R
A
M-M
-
DID
IMMM
M
CNC
N
1
USBU
S
B
CNC
N
3
IE
E
E
121
2
848
4
CNC
N
2
SCFS
C
F
2
1
18
17
DPXD
P
X
SOLS
O
L
1
.P
DX
_SO
L
2.2
.
24
VS
1.1
.
nD
EV_
MOT
_RE
ADY
2
.
DRV
_MO
T_C
LK
3
.
nDE
V_M
OT_
ON
4
.
DEV
_MO
T_D
IR
1
,2
4VS
2,2
,
3
.
3.3
V
4
.D
UPL
EX_
RXD
55
.D
UPL
EX_
DET
ECT
6
.M
DUP
LEX
_RX
D
7,7
,
8,8
,
9
.
GND
1
.2
4V
22
.3
.3
V
3
.S
CF_E
M
P
TY
4
.S
CF_R
XD
5
.S
CF_DE
T
ECT
6
.S
C
F
_
T
X
D
7,7
,
8,98
,9
,101
0
,11,1
1
.G
N
D
CN
1
CN
3
CN
2
CN
4
CN
6
CN
5
CN
8
CN
7
1
.2
4V
2
.S
IGN
AL
1
.2
4V
2
.S
IGN
AL
1
.3
.3V
2
.S
IGNAL
3.3
.
GN
D
1
.2
4VS
2
.N
C
3.3
.
SIG
NAL
TEMP2T
E
M
P
2
s3500-148