Single pass ADF
A
C
B
D
E
F
A
C
B
D
E
F
4
3
2
7
6
5
1
8
4
3
2
7
6
5
1
8
19
19
3
2
1
3
2
1
3
2
1
1
2
3
3
2
1
P
S
1
2
3
4
5
6
3
2
1
1
2
3
1
2
3
1
2
3
1
2
3
3
4
5
6
1
2
2
3
4
5
1
1
2
3
13
12
11
10
9
8
2
3
4
5
6
1
7
1
2
3
50
2
1
1
2
3
1
2
3
4
5
6
13 12 11 10
9
8
2
3
4
5
6
1
7
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
50
2
3
1
15 14 13 12 11 10
9
8
2
3
4
5
6
1
7
18
17
16
15
14
13
12
11
10
9
8
2
3
4
5
6
1
7
19
8
1
2
3
4
5
6
7
2
3
4
1
1
2
3
1
2
15 14 13 12 11
8
1
2
3
4
5
6
7
9
10
15
14
13
12
11
10
9
8
2
3
4
5
6
1
7
2
1
CL
1
2
1
2
3
4
5
1
2
3
1
2
3
2
3
4
5
1
3
2
1
2
1
1
2
1
2
3
3
2
1
2
3
1
3
2
1
1
2
3
1
2
3
3
2
1
P
S
3
2
1
2
1
3
4
5
6
1
2
6
5
4
3
2
1
M
1
2
1
2
6
5
4
3
2
1
M
3
4
5
6
1
2
3
4
5
6
1
2
6
5
4
3
2
1
M
1
2
3
2
3
1
1
2
3
3
2
1
P
S
2
3
1
2
3
1
2
3
1
3
2
1
3
2
1
2
1
2
3
1
1
2
3
1
2
1
2
1
2
SL
2
3
4
5
1
2
3
4
5
1
13 12 11
8
1
2
3
4
5
6
7
9
10
50
4
1
2
3
5
6
7
8
9
50
MT2
MT1
MT6
MT5
MT8
MT7
MT3
MT4
To PRINTER
1
1
1
1
1
1
6
3
1
13
13
3
1
6
6
5
1
1
5
5
1
13
1
1
1
2
3
1
1
8
1
1
1
1
3
6
6
6
4
3
1
2
1
2
1
19
1
3
1
3
1
3
1
1
1
5
5
1
3
3
1
2
2
1
1
1
2
2
1
1
2
2
1
1
3
1
1
1
1
15
15
15
3
1
3
1
3
1
3
3
1
3
1
1
3
1
3
1
3
1
3
3
1
29
1
3
J401
J103
J101
J1101_BUS
J105_BUS
J105
J109_BUS
J109
J452
J463
J1027L
J634
J635
J476LH
J476D
J1027D
J1027DH
J476L
J459
J478
J454
J462
J453LH
J453L
J104_BUS
J453D
J408
J401_BUS
J401
J410
J477L
J477DH
J477D
J468D
J468L
J468DH
J701
J458
J457
J465D
J465L
J104
J402
J467DH
J467D
J475D
J407
J409
J467L
J475LH
J475L
J2001D
J2001L
J2001LH
J478D
J478LH
J478L
J460
J461
J474
J451
J464L
J464D
J466DH
J466D
J466L
J1
J404
J405
J471
J472
J473
J2
G
N
D
G
N
D
F
R
Q
C
H
G
SD
O
W
N
L
D
*
SL
IVEW
AKE*
C
PR
D
Y-S
SPO
W
ER
SL
EEP-O
U
T
SPR
D
Y*
+3
.4
J
SC
MD
-
SR
T
S
SC
MD
+
SST
S-
SC
T
S
SST
S+
D
F
R
X+
D
F
R
X-
G
N
D
2
R
EAD
_
S
S_
R
EAD
_
S
+3
.4
V
S_
R
ESI
_
S
G
N
D
G
N
D
SD
A_
AD
F
SC
L
_
AD
F
G
L
ASS_
H
P_
S
L
O
O
P_
S
G
N
D
G
N
D
S_
SEPA_
S
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
S_
EXC
L
_
0
G
N
D
G
N
D
S_
S2
M_
0
AD
0
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
+5
V
+5
V
S_
M2
S_
0
G
N
D
F
F
C
_
JAC
KAL
G
N
D
S_
AD
F
_
R
ESET
G
N
D
SL
EEP-O
U
T
+3
.4
J
S_
D
F
_
R
ESI
_
MT
R
_
C
L
K
S_
D
F
_
SEPA_
MT
R
_
C
L
K
S_
D
F
_
R
EAD
_
MT
R
_
C
L
K
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
GND
+24U
+3
.3
V
+5
VR
G
N
D
SD
A
U
S_
PL
S
C
O
VER
_
S
G
N
D
+5
VR
G
N
D
2
R
EAD
_
S
R
EAD
_
S
+5
VR
U
S_
PL
S
SC
L
G
N
D
+2
4
U
G
N
D
MO
VE_
H
P_
S
SI
Z
E4
_
S
SI
Z
E3
_
S
SI
Z
E2
_
S
SI
Z
E1
_
S
G
N
D
+5
VR
R
ESI
_
S
+5
VR
G
N
D
+5
VR
G
N
D
L
G
L
_
S2
+5
VR
G
N
D
L
G
L
_
S
+5
VR
+3
.3
VS
+5
VR
A4
L
T
_
S
VR
G
N
D
G
N
D
G
N
D
EMP
L
ED
+5
VR
ST
MP_
SO
L
+2
4
V
MV_
C
L
+2
4
V
+5
VR
+5
VR
EMP_
L
ED
G
N
D
SEPA_
S
G
N
D
EMP_
S
SL
EEP-PO
W
ER
+5
VR
L
O
O
P_
S
G
N
D
+5
VR
EJC
T
_
T
R
AY_
S
G
N
D
N
C
R
RESI_M_A-
R
RESI_M_B-
SEPA_M_B-
S
SEPA_M_A-
S
READ_M_B-
R
READ_M_A-
R
F
AN
_
AL
AR
M
+2
4
V
G
N
D
G
N
D
G
N
D
G
N
D
F
F
C
_
AD
F
G
N
D
G
N
D
G
N
D
R
C
_
A_
P
R
C
L
K_
A_
N
R
C
L
K_
A_
P
R
D
_
A_
N
R
D
_
A_
P
R
E_
A_
N
R
E_
A_
P
BD
_
SC
L
K_
1
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
R
B_
A_
P
R
A_
A_
N
R
A_
A_
P
R
B_
A_
N
R
C
_
A_
N
G
N
D
BC
_
R
X_
0
1
BC
_
R
X_
1
1
AP_
L
O
AD
_
0
1
AP_
L
O
AD
_
1
1
BD
_
T
X_
1
G
N
D
G
N
D
G
N
D
G
N
D
+6
V
+6
V
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
+6
V
G
N
D
+1
2
V
+1
2
V
+1
2
V
+1
2
V
G
N
D
+3
.4
V
3
2
1
4
1
5
1
4
1
3
1
2
1
1
1
0
9
8
7
6
5
2
0
1
9
1
8
1
7
1
6
2
5
2
4
2
3
2
2
2
1
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
2
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
4
9
4
7
5
0
4
8
4
6
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
7
4
9
4
6
4
8
5
0
I_
O
U
T
_
R
2
D
C
_
O
U
T
_
R
I_
O
U
T
_
R
1
N
.C
I_
O
U
T
_
R
4
I_
O
U
T
_
R
3
D
C
_
O
U
T
_
L
I_
O
U
T
_
L
1
I_
O
U
T
_
L
2
I_
O
U
T
_
L
3
I_
O
U
T
_
L
4
N
.C
N
.C
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
4
1
2
3
5
6
7
8
9
4
1
2
3
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
4
7
4
9
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
8
5
0
4
1
2
3
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
4
7
4
9
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
8
5
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9
8
7
6
5
3
2
1
4
Reader Controlle PCB
UN_BO2
CMOS PCB(ADF)
UN_BO8
Double Feed
Detection
PCB (Reception)
UN_BO7
Double Feed
Detection
PCB (Transmission)
UN_BO6
Paper
Width Sensor
UN_BO1
ADF Driver PCB
PS_A6
Lead
Sensor 1
PS_A5
Cover Open/
Closed Sensor
PS_A7
Lead
Sensor 2
PS_R2
Registration
Sensor
PS_A9
Glass Movement
HP Sensor
CL1
Separation Clutch
FAN_A1
Cooling Fan
UN_SNS1
Original
Width Volume
PS_R3
Large/Small
Sensor
PS_A3
LTR-R/ LGL
Sensor
PS_A4
AB/ Inch
Sensor
UN_BO5
Delivery Display
LED
PS_N1
Original Sensor
PS_A2
Delivery
Tray Sensor
PS_R1
Post-separation
Sensor
PS_A1
Arch
Sensor
UN_BO4
Original Display LED
STM1
Registration Motor
STM2
Pickup Motor
STM3
Read Motor
SL1
Stamp Solenoid
UN_BO3
LED PCB
(ADF)
General Circuit Diagram
1090
Summary of Contents for imagerunner advance 4551i
Page 19: ...Product Overview 1 Product Lineup 7 Features 13 Specifications 16 Name of Parts 26 ...
Page 155: ...Periodical Service 3 Consumable Parts List 143 Cleaning Check Adjustment Locations 146 ...
Page 392: ...Error Jam Alarm 7 Overview 380 Error Code 383 Jam Code 509 Alarm Code 520 ...
Page 545: ...Service Mode 8 Overview 533 COPIER 549 FEEDER 845 SORTER 851 BOARD 871 ...
Page 892: ...Unpacking 1 2 1200 mm 840 mm 769 mm 1230 mm 2430 mm 3 9 Installation 879 ...
Page 895: ...3 4 NOTE Keep the removed screws for relocating the host machine 2x 5 6 7 9 Installation 882 ...
Page 896: ...8 9 10 1x Installing the Air Filter 1 9 Installation 883 ...
Page 897: ...2 3 Installing the Drum Unit 1 2 3 9 Installation 884 ...
Page 899: ...8 NOTE The screw removed at procedure 4 is used 1x 9 10 11 12 9 Installation 886 ...
Page 923: ...5 6 NOTE Use the screws and Rubber Caps removed in step 1 2x 7 2x 9 Installation 910 ...
Page 935: ...7 1x 8 9 6x 10 2x 9 Installation 922 ...
Page 936: ...11 Installing the NFC Kit 1 2 2x 3 TP M3x4 1x 9 Installation 923 ...
Page 938: ...4 5 1x 6 9 Installation 925 ...
Page 985: ...8 2x 2x TP M4x8 Black When installing the USB Keyboard 1 9 Installation 972 ...
Page 991: ...7 4x 8 1x 1x Lower Cover 9 1x 10 1x 1x 9 Installation 978 ...
Page 992: ...11 1x 1x 12 1x 13 TP M3x12 2x 14 4x TP M3x6 9 Installation 979 ...
Page 997: ...Installation Procedure 1 2 2x 3 2x 4 6x 5 4x 9 Installation 984 ...
Page 998: ...6 7 NOTE Do not close the Wire Saddle 1x 1x 8 9 9 Installation 985 ...
Page 1003: ...2 1x 1x 3 2x 2x 4 9 Installation 990 ...
Page 1012: ...2 1x 1x 3 2x 2x 4 9 Installation 999 ...
Page 1014: ...7 CAUTION The connector must be contacted TP㸹M3x6 3x 1x 8 4x 9 9 Installation 1001 ...
Page 1016: ...13 4x 14 15 Binding M4x16 Binding M3x16 2x M3x16 M4x16 16 Binding M4x6 1x 9 Installation 1003 ...
Page 1023: ...Installation Procedure Preparation 1 4x 2 1x 1x 3 2x 9 Installation 1010 ...
Page 1029: ...4 5 1x 1x 9 Installation 1016 ...
Page 1048: ...3 2x TP M3x8 Black 4 2x TP M3x6 5 9 Installation 1035 ...
Page 1053: ... Installing the Removable HDD Kit 1 2x 2x 2 3 1x 4 9 Installation 1040 ...
Page 1065: ...3 2x TP M3x8 Black 4 2x TP M3x6 5 9 Installation 1052 ...
Page 1071: ... Installing the Removable HDD Kit 1 2x 2x 2 3 1x 4 9 Installation 1058 ...