Table of Contents
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C
A
B
A229 Point to Point Diagram
12
3
1
11
CN269-A1
J
[0] GND
2
2
10
-A2
1st Paper Feed Sensor
S12
[ 5]
1
3
9
-A3
[5] +5V
3
4
8
-A4
[0] GND
I
5
-A5
2
7
1st Paper End Sensor
S18
[ 5]
1
6
6
-A6
[5] +5V
3
7
5
-A7
[0] GND
J
2
8
4
-A8
1st Lift Sensor
[ 5]
S15
1
9
3
-A9
+24V [24]
[5] +5V
10
-A10
2
2
J
GND [0]
[24] +24V
1st Pick-up Solenoid
SOL
1
11
1
-A11
GND [0]
2
[ 24]
1 1 1
+5V [5]
3
1
11
CN269-B1
J
[0] GND
2
-B2
2
10
2nd Paper Feed Sensor
S13
[ 5]
1
3
9
-B3
[5] +5V
3
4
8
-B4
[0] GND
I
2
5
7
-B5
S19
[ 5]
2nd Paper End Sensor
1
6
6
-B6
[5] +5V
Paper Feed
7
-B7
3
5
J
[0] GND
2
8
4
-B8
Control Board
2nd Lift Sensor
S16
[ 5]
1
9
3
-B9
[5] +5V
(PCB10)
2
10
2
-B10
[24] +24V
J
2nd Pick-up Solenoid
SOL
3
11
1
-B11
3
[ 24]
10
3
1
11
CN270-1
J
[0] GND
2
-2
2
10
3rd Paper Feed Sensor
S14
[ 5]
1
3
9
-3
[5] +5V
3
4
8
-4
[0] GND
I
2
5
7
-5
S20
[ 5]
+24V [24]
3rd Paper End Sensor
1
6
6
-6
→
[5] +5V
A: [24
24/0]
7
-7
3
5
J
→
[0] GND
A
: [24
24/0]
2
8
4
-8
3rd Lift Sensor
S17
[ 5]
→
B: [24
24/0]
1
9
3
-9
[5] +5V
→
B
: [24
24/0]
2
10
2
-10
[24] +24V
J
GND [0]
3rd Pick-up Solenoid
SOL
1
11
1
-11
4
[ 24]
→
[5 or 0
5/0]
+5V [5]
9
GND [0]
J
[ 5]
J
GND [0]
[ 5]
2
1
6
CN272-A1
[24] +24V
J
1st Separation Roller
SOL
1
2
5
-A2
[ 24] +24V
Solenoid
6
2
3
4
-A3
J
[24] +24V
1st Paper Feed Clutch
MC
1
4
3
-A4
3
[ 24] +24V
2
5
2
-A5
[24] +24V
J
1st Vertical Relay
MC
1
6
1
-A6
9
[ 24] +24V
Clutch
2
1
6
CN272-A7
J
+24V [24]
J
2nd Separation Roller
[24] +24V
SOL
2
-A8
8
1
5
[ 24]
J
Solenoid
7
[ 24] +24V
2
3
4
-A9
Down [ 24]
J
[24] +24V
J
2nd Paper Feed Clutch
MC
1
4
3
-A10
J
4
[ 24] +24V
Up [ 24]
2
5
2
-A11
J
[24] +24V
J
Down [ 24]
2nd Vertical Relay
MC
1
6
1
-A12
Up [ 24]
Clutch
10
[ 24] +24V
2
1
6
CN272-B1
3rd Separation Roller
[24] +24V
J
SOL
1
2
5
-B2
Solenoid
8
[ 24] +24V
+24V [24]
I
2
3
4
-B3
[24] +24V
J
MC
[ 24]
3rd Paper Feed Clutch
1
4
3
-B4
5
[ 24] +24V
5
-B5
2
2
J
3rd Vertical Relay
[24] +24V
MC
1
6
1
-B6
Clutch
11
[ 24] +24V
7
J
3
CN262-1
[0] GND
I
I
Lock [ 5]
J
2
-2
[ 5]
cw/ccw [ 5/cw,
5/ccw]
J
1st Paper Near End Sensor
S21
1
-3
[5] +5V
Motor [ 5]
-4
I
[0] GND
GND [0]
-5
2nd Paper Near End Sensor
S22
[ 5]
+5V [5]
-6
[5] +5V
GND [0]
-7
[0] GND
J
+24V [24]
-8
[ 5] Paper Size 5
J
-9
J
[ 5] Paper Size 4
Paper Size Switch
SW9
-10
J
[ 5] Paper Size 3
-11
[ 5] Paper Size 2
J
-12
[ 5] Paper Size 1
6
3
21
21
CN263-1
I
[0] GND
3rd Paper Near End
2
20
20
-2
S19
[ 5]
Sensor
1
19
19
-3
[5] +5V
2
2
-4
J
[0] GND
14
-5
[ 5] 3rd Tray Connection
14
-11
J
[0] GND
-12
[ 5] Tray Type
SW10
J
1
5
5
CN274-2
[ 5] Switch
2
4
4
-3
J
3rd Tray Down
[0] GND
9
-7
4
9
Switch/LED
[ 5] LED
5
3
10
10
-8
[5] +5V
1
6
6
-4
[5] +5V
J
2
7
7
-5
Tray Down Sensor
S32
[ 5]
3
8
8
-6
[0] GND
16
-11
1
16
J
[5] +5V
3
17
17
-12
3rd Tray Paper Sensor
S31
[ 5]
2
18
18
-13
[0] GND
J
3
3
3
-1
[ 5] Up
J
4
11
11
-9
I
[ 5] Down
15
-10
5
15
3rd Tray Lift
M14
[ 5] Lock
1
12
12
CN275-1
[24] +24V
2
24
24
-2
[0] GND
1
4
J
RXD
1
1
CN264-A1
GND
[ 5] Right Tray Set
1
2
2
-A2
TXD
[24
→
24/0]:
B
2
3
3
-A3
GND
→
[24
24/0]: B
3
4
4
-A4
Side Fence
→
M18
[24
24/0]:
Motor
4
5
5
-A5
A
→
[24
24/0]: A
5
6
6
-A6
I
[24] +24V
2
7
7
-A7
[ 5]
Side Fence Close
3
8
8
-A8
S27
[0] GND
Sensor
1
16
16
-A9
[5] +5V
3
10
10
-A10
I
[0] GND
Base Plate Down
2
11
11
-A11
S29
Sensor
[ 5]
1
12
12
-A12
[5] +5V
3
13
13
-A13
[0] GND
I
Side Plate Positioning
2
14
14
-A14
S28
[ 5]
Sensor
15
15
-A15
3
1
[5] +5V
9
9
J
1
1
CN264-B1
[ 5] Left Tray Set
9
9
-B8
[0] GND
2
2
-B2
→
[24
24/0] Return
Rear Fence Motor
M
3
3
-B3
→
17
[24
24/0] Forward
5
5
-B5
I
[0] GND
-B6
6
6
Rear Fence HP Sensor
S25
[ 5]
7
7
-B7
[5] +5V
10
10
-B9
[0] GND
I
Rear Fence Return
11
11
-B10
S26
[ 5]
Sensor
12
12
-B11
I
2
[5] +5V
13
13
-B12
[ 5]
Left Tandem Tray Paper
14
14
-B13
S30
[0] GND
End Sensor
15
15
-B14
[5] +5V
8
8
1
A
B
C
D
E
F
G
Circuit Braker
(CB1)
Fusing Unit
Thermofuse
6
E
(TF1)
Main Power Switch
11
F
(SW1)
G3
8
G
13
CN260-1
H
Thermistor
-2
(TH1)
-3
-4
CN610
Toner Collection
Motor
CN1-1
M
CN1-2
25
FU115
Toner Collection
CN268-1
5
Motor
FU108
-2
4
Z
Y
-3
3
SOL
F10
9
G9
G10
-4
2
Y
-5
1
-6
7
FU111
-7
6
Toner Collection
S10
FU110
-8
5
Motor Sensor
-9
4
Toner Collection
Z
-10
3
Bottle Set
E10
-11
2
Switch
SW7
-12
1
Toner Overflow Switch
SW8
Registration
Motor
M16
765
CN751
765
CN265-1
2
Tandem Lock
CN751
-2
1
SOL
9
Solenoid
-7
2
2nd Tray Lift
M
-8
1
13
Motor
-9
2
CN764
M
1st Tray Lift
-10
1
CN764
12
Motor
Lower Front Door
Safety Switch
CN266-1
2
-3
1
SW6
Interface Board (PCB9)
CN267-1
-2
Paper Feed
Motor
-3
-4
-5
M11
-6
-7
CN261-4
1
4
CN212-1
TXD
-3
2
3
-2
GND
-2
3
2
-3
RXD
-1
4
1
-4
GND
766
CN720
CN767
680
679
678
CN666
766
CN720
CN767
680
679
678
CN611
677
725
726
727
728
676
H
677
725
676
M
M
M
21
22
23
C02
M
SOL
20
13
D
E
G
F
H
J
I
PCB11
Optional Panel 1
PCB12
Optional Panel 2
Operation
Switch
(SW2)
*1
220/240V machine: [220/240]
150V machine:
[115]
CN441-11
CN303-1
[ 5] Operation Sw
*2
220/240V machine: [ 220/240]
LCD
115V machine:
[ 115]
-10
-2
LED
-9
-3
[0] GND
-8
-4
[0] GND
LCD Control
-7
-5
OPRTS
Board
-6
-6
ORCTS
CN102-1
1
-5
-7
RXD
(PCB13)
TXD
-4
2
H2
Drum Heater
-4
-8
-2
1
-3
-9
[5] +5V
Optic
-5
2
H1
-2
-10
[5] +5V
Anti-Condensation
Heater
-1
-11
[24] +24V
CN103-1
1
PSU
H4
Tray Heater 2
-4
2
(PCB2)
-2
1
Mother Board
-5
2
H3
Tray Heater 1
Printer Controller
1
CN308
2
PCB16
CN124-2
+5V [5]
-8
GND [0]
-14
CN301-1
+24V [24]
[24]
-5
-2
[0]
GND [0]
-3
-6
GND [0]
[0]
-11
-5
-12V [-12]
[-12]
-7
-6
GND [0]
[0]
-1
-7
[5]
+5VE [5]
-3
-8
[5]
+5V [5]
-9
+12V [12]
-12
GND [0]
-13
CN617-1
GND [0]
[12]
-4
-2
+5V [5]
[0]
-3
CN310-1
[0]
RESET
-4
-2
GND
[5]
-3
By-pass Feed
Toner Supply
Fusing/Duplex
HDT7
Development
Drum Motor
-4
Motor
Clutch
Motor
HDT8
Motor
-5
HDT6
-6
HDT9
M15
M5
MC1
M8
M4
-7
HDT5
-8
HDT10
-9
HDT4
-10
HDT11
-11
HDT3
-12
HDT12
-13
HDT2
CN703
CN702
CN702
CN701
-14
HDT13
-15
HDT1
-16
HDT14
-17
HDT0
-18
HDT15
-19
GND
HDD
-20
NC
-21
DMARQ
-22
GND
-23
XD10W
-24
GND
-25
XD10R
-26
GND
-27
10RDY
-28
NC
-29
XDMACK
-30
GND
-31
INTRQ
-32
X10CS16
-33
ADDR1
-34
NC
-35
ADDR0
-36
ADDR2
-37
XCS1FX
-38
XCS3FX
-39
NC
-40
GND
D
B
K
CN694
CN693
C
A
L
ARDF
FINISHER
P6
Q9
CN761
CN762
Front Cover Safety
Switch (SW4)
622
CN661
672
674
CN668
672
674
CN668
PP2
M
CO
6
1
F
CN669
G
E
CN669
E11
CN660
CN660
CN671
670
CN671
670
CN673
665
665
PP3
SOL
1
PP1
M
7
664
H
I
J
M
N
K
L
Signal Table
SBU
(PCB4)
AC Line
DC Line
Puls
Signal Direction
<
>
Signal Direction
I
Active High
J
Active Low
Voltage
[
]
CN307-1
+5V [5]
+5V [5]
GND [0]
GND [0]
CN306
CN312-1
GND [0]
+5V [5]
J
Width 1 [ 5]
J
J
Width 2 [ 5]
SBICU
Width 3 [ 5]
GND [0]
I
(PCB1)
[ 5]
+5V [5]
J
CN315-1
+24V [24]
[ 24]
GND [0]
J
+24V [24]
[ 24]
GND [0]
CN314-1
GND [0]
+5V [5]
J
[ 5]
J
[ 5]
CN305-7
+5V [5
GND [0]
GND [0]
+12V [12]
+24V [24]
GND [0]
CN311-1
XDA0
XDA1
XDA2
XDA3
XDA4
GND
OEB
EXSEL
DIR
CKI
GND
663
CN730
CN742
CN741
663
CN730
CN742
CN741
M
738
737
739
770
CN736
735
734
733
732
731
749
750
CN721
743
746
24
738
737
739
770
CN736
734
749
746
MC
MC
SOL
SOL
SOL
8
7
10
11
5
M19
K
M
N
L
O
P
Q
12
CN304 (L11)
CN306 (N9)
CN308 (J10)
1
-12V
26
GND
1
GND
26
XDO1
1
NC
26
GND
2
-12V
27
ADE7
2
XALLRST
27
GND
2
NC
27
XARLGT
3
+12V
28
ADO7
3
GND
28
XDO0
3
Not Used
28
XARLSYC
4
+12V
29
ADE6
4
VDSDO
29
GND
4
Not Used
29
XARFGT
5
+5V
30
ADO6
5
GND
30
SE
5
TDX-PRN
30
XWRSYNC
6
+5V
31
GND
6
BDSDI
31
GND
6
RXD-PRN
31
XFSYC
7
+5V
32
GND
7
GND
32
SO
7
GND
32
GND
8
+5V
33
ADE5
8
SCLK
33
GND
8
Not Used
33
XARKD0
9
SOVT
34
ADO5
9
GND
34
XFGATE
9
GND
34
XARKD1
10
XSSCAN
35
ADE4
10
XVDCS
35
GND
10
Not Used
35
XARKD2
11
SIN
36
ADO4
11
GND
36
XLGATE
11
Not Used
36
XARKD3
12
XSLEAD
37
GND
12
REFCLK
37
GND
12
Not Used
37
XARKD4
13
XCS
38
GND
13
GND
38
XLSYNC
13
GND
38
XARKD5
14
XRDSYNC
39
ADE3
14
XDE3
39
GND
14
Not Used
39
XARKD6
15
SCLK
40
ADO3
15
GND
40
PCLK
15
Not Used
40
XARKD7
1 1 1
16
XOPBSYNC
41
ADE2
16
XDE2
41
GND
16
XAWKD0
41
XOEN
17
GND
42
ADO2
17
GND
42
XLDSYNC
17
XAWKD1
42
GND
18
GND
43
GND
18
XDE1
43
GND
18
XAWKD2
43
XDATA-IN
19
CLKU
44
GND
19
GND
44
LDOFF
19
XAWKD3
44
NC
20
GND
45
ADE1
20
XDE0
45
GND
20
XAWKD4
45
NC
21
GND
46
ADO1
21
GND
46
LDERRO
21
XAWKD5
46
NC
22
GND
47
ADE0
22
XDO3
47
GND
22
XAWKD6
47
NC
23
XCLK
48
ADO0
23
GND
48
DROPEN
23
XAWKD7
48
NC
24
GND
49
GND
24
XDO2
49
LD2-OFF
24
GND
49
NC
25
GND
50
Not Used
25
GND
50
LD1-OFF
25
XARCLK
50
NC
Front Cover Safety Switch
LDDR
10
1
CN402-4
CN403-1
1
2
SW3
+5V [5]
-2
-3
-3
-2
-3
3
1
+5V LD [5]
-4
-1
SW6
2
PCB8
CN401
CN404-1
XDEPT
-2
+5V [5]
LSD1
Laser Synchronization Detector
-3
GND [0]
9
M2
K
J6
L
5
-2
4
Polygnal Mirror Motor
-3
3
Original Width Sensor
S2
-4
2
-5
1
-6
3
-7
2
Scanner HP Sensor
S1
-8
1
8
3
-2
2
L1
PCB6
-3
1
-4
3
Exposure Lamp
-5
2
L1
PCB6
-6
1
-2
Original Length Sensor 2
S4
-3
-6
-5
S3
Original Length Sensor 1
-4
7
-3
-2
PCB7
DC/DC Converter Board
-1
LD Positioning Motor
M3
11
-2
10
Scanner Motor
-3
9
CN611-1
Drive Board
-4
8
-2
M1
Scanner Motor
LD Unit HP
-5
7
-3
(PCB5)
Sensor
-6
6
-7
5
+24V [24]
CN610-1
A
-8
4
-2
GND [0]
B
CN714
717
-9
3
-3
I6
6
+5V [5]
C
-10
2
-4
GND [0]
D
-11
1
CN769
CN769
LCT
CN757
CN756
CN768
CN768
5
IOB
4
(PCB3)
3
CN740
CN763
754
753
752
667
CN740
CN763
754
753
752
667
CSS2
CSS2
CSS1
SOL
MC
MC
12
12
2
745
747
744
748
CN755
745
CN755
2
MC
M
6
10
1
O
P
Q
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