General Circuit Diagram
General Circuit Diagram (1/3)
A
C
B
D
E
F
A
C
B
D
E
F
4
3
2
7
6
5
1
8
2
3
4
5
6
PRACCK
PRACPWM
HVTCK
TRNCK
PRDCCK
1
17
16
15
14
13
18
16
15
14
13
12
PRDCPWM
DVACPWM
5VBON
DVDCCK
DVDCPWM
1
1
10
9
8
7
DVACCK
TNRSP1
TNRSP2
TRPCK
TRPWM
TRAD
3
4
5
6
7
12
1
1
10
9
8
4
/SOFTSWSNS
/SOFTSWSNS
5VBON
5VA
GND
J8
1
6
L
18
17
GND
5VA
J5
0
2
1
2
1
3.3VA
1
2
/DOOPENSNS
1
2
3
LED
GND
5VA
NC
NC
GND
/ZEROX
FSRD2
FSRD1
/RLD
/RLD
2
3
4
1
9
8
6
7
/ZEROX
FSRD1
FSRD2
G
N
D
,PD
1mono
VD
O
1
VD
O
0
G
N
D
/VD
O
0
/VD
O
1
17 16 15 14 13 12
C
LEI
W
AKEVC
W
AKEEN
G
4
5
6
EngT
ype,PD
0
/VC
R
SET
R
TC
3.3V
1
2
3
J97
C
LEO
G
N
D
/BD
O
G
N
D
G
N
D
7
8
9
11 10
GND
3.3OVP
/PWR_SAVE
REMOTE24V
3.3VB
GND
J5
3
J8
1
7
L
5VB
9
8
5
6
7
2
3
4
5
1
3.3VB
REMOTE24V
3.3OVP
/PWR_SAVE
HOT
NEUTRAL
G
N
D
5VB
G
N
D
5VB
G
N
D
+3.3V
Relay On
GND
FG
G
N
D
,PD1
mon
o
/VDO0
VD
O
0
G
N
D
/VD
O
1
VD
O
1
6
5
4
2
3
1
Eng
T
ype
,PD
0
W
AKEVC
W
AKEEN
G
C
LFO
15
14
13
12
/VC
RSET
R
TC3
.3V
17
16
J201
G
N
D
C
LFI
G
N
D
/BD
O
G
N
D
11
10
9
8
7
5VB
5VB
/PSW_IN
T
R
M_PSO
FF
SISW_O
N
PSO
FF
Q
U
IC
KO
FF
EN
G
O
N
N
C
+3.3V
5
6
3
4
1
2
G
N
D
G
N
D
5
VB
5VB
G
N
D
G
N
D
G
N
D
+3.3V
G
N
D
+3.3V
H
ot
N
eu
tra
l
2
1
H
ot
N
eu
tra
l
N
eu
tra
l
H
ot
FG
J99
2
4
5
7
8
9
10
1
1
12
6
3
2
4
5
GND
/RST_PANEL
PANEL_TXO
PANEL_RXO
PANEL_AO
PANEL_CS
PANEL_DOUT
PANEL_CLK
GND
+3.3V
+5V
7
8
9
10
1
1
6
1
3
Serial Debug
Sub
Main
JTAG ICE
J1400
J139
J13
J7
J1
J5
CZ_4
CZ_4
GND
ECO_SCL
GND
GND
ECO_SDA
GND
J2802
+3.3V_S
+3.3V_S
GND
GND
1
:Whi
te
2
:Bl
a
ck
3
:G
re
e
n/
Y
e
ll
o
w
Micon Write
1
3
2
28
D
B2
D
B1
D
B0
E/R
D
R
W
-WR
AO
/R
ES
/C
S1
N
.C
.
J4
J3
J1
1
GND
PS
C
86
V0
V1
V2
V3
V4
C
AP2N
C
AP2P
C
AP1P
C
AP1N
VO
U
T
VSS
VD
D
D
B7/
SI
D
B6/
SC
L
D
B5
D
B4
D
B3
J2
J1
2
0
J1
12
SD
Card
8GB
5
4
3
2
1
USB
Mini B
SD Card
Slot
J110
J4
LAN
USB
type B
USB
type A
USB
type A
J200
J106
J6
J2
G
N
D
SPD
D
A
T
SPD
C
LK
FR
AM
WP
+3.
3V
+3.
3V
J2
J1
+3.
3V_S
PSW_I
N
T
G
N
D
J1
3
2
1
200V
120V
100V
type A
4
3
2
1
18
17
16
15
14
13
12
1
1
10
9
8
2
3
4
5
6
1
7
18
17
16
15
14
13
12
1
1
10
9
8
2
3
4
5
6
1
7
1
2
3
4
J95
1
2
3
4
1
2
3
J812
1
2
3
4
J813
J816D
J816DH
1
2
J3
3
1
2
J3
1
J32
9
8
2
3
4
5
6
1
7
9
8
2
3
4
5
6
1
7
J808
10
9
8
2
3
4
5
6
1
7
9
8
2
3
4
5
6
1
7
J30
J809
J810
J817D
J817DH
3
4
5
6
1
2
J55
2
1
J1
1
2
3
J811
PI
N
8
0
2
PI
N
8
0
3
PI
N
8
0
4
PI
N
8
0
5
PI
N
8
0
6
PI
N
8
0
7
PI
N
8
0
8
PI
N
3
PI
N
4
1
2
3
J853
PI
N
8
0
1
2
1
J852
FT1
MT2
J804
3
4
5
6
1
2
1
2
3
4
5
6
7
J19
2
3
4
5
6
1
1
2
3
4
5
6
7
3
4
5
6
1
2
1
2
3
4
5
6
7
J70M
J70
1
2
3
4
5
1
2
3
1
2
3
J807
J807L
2
3
1
J854
2
1
J851
M4
MT1
2
1
J850
J16
1
2
3
4
5
6
J807DH
J807D
3
4
5
6
1
2
J855
3
1
2
J150
SO
L
D
1
5
0
3
SO
L
D
1
5
0
1
1
2
3
4
5
6
J128
2
3
4
1
J2801
J8
7
0
1
2
3
4
5
6
7
J8
7
1
1
2
3
J830
3
2
1
P1
Front
USB
SW103
Door Switch
UN2
DC Controller PCB
UN1
Power Supply
PCB
UN9
AC Relay PCB
UN7
Main
Switch
UN3
Main Controller PCB
UN11
LCD Unit
UN4
Control Panel PCB
UN6
Memory PCB
UN5
SOFT-ID PCB
UN10
All-night
Power Supply
PCB
UN8
Sleep Interface
PCB
General Circuit Diagram
178
Summary of Contents for LBP351 Series
Page 1: ...Revision 4 0 LBP351 352 Series Service Manual ...
Page 12: ...Product Overview 1 Product Lineups 6 Specification 7 List of Parts 11 ...
Page 140: ...3 Remove the Main Drive Unit 1 4 Screws 2 1 2 2 2 2 4x 5 Parts Replacement and Cleaning 133 ...
Page 147: ...Adjustment 6 Actions after Replacement 141 ...
Page 149: ...Troubleshooting 7 Test Print 143 Troubleshooting 147 Obtaining Debug Log 149 ...
Page 160: ...Error Jam Alarm 8 Overview 154 Error Code Details 155 Jam Code 160 Alarm Code 163 ...
Page 171: ...Service Mode 9 Overview 165 Service Mode 169 ...