Table of Contents
Advertisement
1
AD50 Point to Point 1/2
EXIPU - SBU
CN507
CN508
-1
CGND
-1
CGND
-2
Voult1
-2
TC1 1
-3
CGND
-3
CGND
-4
Vout2
-4
TC2 1
A
-5
CGND
-5
CGND
-6
CGND
-6
fRS1
-7
VCA
-7
CGND
fRS2
-8
VCA
-8
-9
VCA
-9
CGND
-10
CGND
-10
XTC1L 1
-11
CGND
-11
CGND
-12
TG2 1
-12
XTC2L 1
-13
CGND
-13
CGND
-14
VCC
-14
-
Thermoswitch
-15
VCC
SBU (PCB10)
Exposure
Lamp
CN550
CN551
(L1)
AC(H)
NC -2
NC -3
CN507
CN508
AC(N)
-1
NC
B
-2
GND
-3
Exposure Lamp [t24] -3
-4
XLAMPDET [t5]
-5
VAA [+24V]
-10
GND
-9
[t5] Polygon Motor
-8
XSCRDY [t5]
-7
MCLK [ts5]
-6
GND
-5
VCC [+5V]
-4
[s0→0/5] XDETP2
-3
GND
-2
VCC [+5V]
-1
[s0→0/5] XDEP1
-1
VAA [+24V]
-2
Optics Exhaust [t24]
C
-1
VAA [+24V]
-2
IPU [t24]
-1
GND
-2
VCC [+5V]
-3
APS5 [t5]
-1
RTO00 [t5®0/5]
-2
RTO01 [t5®0/5]
-3
RTO02 [t5®0/5]
-4
RTO03 [t5®0/5]
-5
RTO04 [t5®0/5]
-6
RTO10 [t5®0/5]
-7
RTO11 [t5®0/5]
-8
RTO12 [t5®0/5]
-9
RTO13 [t5®0/5]
-10
RTO14 [t5®0/5]
-11
GND
-12
ISET [s5]
-13
GND
-14
DAISET [3]
-15
GND
D
-6
NC
-5
-4
-3
-2
-1
+5V
EXIPU
-1
LDSW
(PCB9)
-2
VCCA
-1
VCCD [+5V]
-2
VCCA [+5V]
-3
GND
-4
GND
-5
VCCD [+5V]
-6
LEVEL
-7
LDERR [s5]
-8
LDOFF [t5]
-9
LDCLK [st5]
-10
SELECT [t5]
E
-11
LDS1 [s5]
-12
LDS0 [s5]
-13
XLDDT1 [st5]
-14
XLDDT0 [st5]
-15
XLDDT3 [st5]
-16
XLDDT2 [st5]
-17
XLDDT5 [st5]
-18
XLDDT4 [st5]
-19
XLDDT7 [st5]
-20
XLDDT6 [st5]
-1
GND
-2
NC
-1
SCHP[s5]
-3
-2
GND
-2
-3
VCC [+5V]
-1
Table 1
-4
GND
-5
EXIPU - Hard Disk
-5
VCC [+5V]
-4
CN707
-6
APS3 [t5]
-3
1
GND
26 NC
-7
APS2 [t5]
-2
2
SD0
27 GND
-8
APS1 [t5]
-1
F
3
GND
28 GND
-1
GND
-3
4
SD1
29 GND
-2
[s5] Platen Cover -2
5
GND
30 GND
-3
VCC [+5V]
-1
6
SD2
31 GND
7
GND
32 /ATN
-4
GND
-3
8
SD3
33 GND
-5
VCC [+5V]
-2
9
GND
34 GND
-6
APS54 [t5]
-1
10 SD4
35 GND
-7
NC
11 GND
36 /BSY
-8
NC
12 SD5
37 GND
13 GND
38 /ACK
14 SD6
39 GND
15 GND
40 /RST
Hard Disk (See Table 1)
16 SD7
41 GND
17 GND
42 /MSG
18 SDP
43 GND
-1
GND
19 GND
44 /SEL
-2
GND
20 GND
45 GND
-3
VCA [+12V]
21 GND
46 /CD
-4
GND
22 GND
47 GND
-5
VCC [+5V]
23 GND
48 /REQ
-6
VCC [+5V]
24 GND
49 GND
-7
VCB [-12V]
25 GND
50 /IO
-8
VAA [+24V]
G
DC Power Supply Board
(PCB3)
See 2/2
Operation Panel (PCB7)
See 2/2
H
-A1 to -A10
-B1 to -B10
SCU (PCB1)
See 2/2
1
2
AC Drive Board
(PCB2)
See 2/2
(TS1)
-2
-1
CN1
-1
-4
-5
CN928
-4
-2
-1
Polygonal
Mirror
-1
-10
-1
-2
-9
-2
M
-1
-3
-8
-3
4
-2
-4
-7
-4
Laser
-5
-6
-1
Synchronization
-6
-5
-2
Detector 2
-4
-3
-7
(PCB13)
-8
-3
-1
Laser
-9
-2
-2
Synchronization
-10
-1
-3
Detector 1
(PCB12)
Optics
-2
-1
M6
-1
-2
Exhaust
Fan
M7
IPU Fan
M
16
-3
Original
-2
S15
Length SN2
-1
-15
-1
STMA1
-14
-2
STMB2
M
-13
-3
STMC3
-12
10
-4
STMD4
-11
-5
STND5
Scanner
-10
-9
Drive
-8
-7
-6
-1
VAA [+24V]
-5
-2
GND
-4
-3
-4
VCC [5V]
-2
-5
VCA [+12V]
-1
-3
GND
TXD
RXD
GND
XFGATE
GND
Front Cover Safety SW (SW7)
-19
-20
-17
-18
-15
-16
-13
-14
-11
-1
-12
CN947
-9
CN900
-10
-7
-1
(SW4)
-8
-5
LCT SW
-1
-6
-2
-3
-3
-4
-1
-2
-1
-2
-1
-3
-4
-5
-6
Scanner
S13
-7
H.P SN
-1
LCT
Cover SW
Original
(SW5)
S21
Width
SN
LCT Unit
LCT Paper End
Platen
S17
Cover
SN
Original
S14
Length
SN
Hard Disk
(HDD)
CN960
-1
-1
-2
-2
-3
-3
-4
-4
-5
-5
-6
-6
-7
-7
-8
-8
Paper Feed
ADF
FINISHER
(Option)
(Option)
See 2/2
See 2/2
2
3
Relay Board
(See 2/2)
(PCB19)
RA
Main Switch
(See 2/2)
T20
T27 [t24] Main Switch Relay
T23
T26
VAA [+24V]
RA
T22
T25
(SW6)
-1
-2
[t24] By-pass Relay
CL
By-pass Relay
-2
-1
VAA [+24V]
8
Fusing Unit
Fusing Lamp
-2
(L2)
-1
Fuse(TF1)
-12 Thermistor(-)
-4
-7
Thermistor(+)
-3
(NA:-8/ EU:-9)GND
-2
(NA:-3/ EU:-4) [s5] Unit Set
-1
NC
GND
[s5] Front Cover Open
NC
[st5] Zero Cross
[t24] Paper Relay
[t24] Fusing Heater TRQ
-1
-3
Ozone Fan Lock [t24]
Ozone Fan
-2
-2
Ozone Fan [t24]
M9
-3
-1
VAA [+24V]
-1
Lock [t5]
-2
Speed [t5]
GND
-2
Main
Motor
-3
CCW/ CW [s5]
-4
Start/ Stop [t5]
[5] VAA
-1
-5
GND
M1
-1
VCC [+5V]
Transfer Belt
Transfer Belt Pasition [ t5]
-2
S20
Position
-3
GND
-3
-1
Exhaust Fan [st24]
-2
-2
Lock [st24]
Exhaust Fan
M8
-1
-3
VAA [+24V]
-2
-1
VAA [+24V]
CL
Transfer Belt Lift
-1
-2
Belt Lift [t24]
NC
-1
-6
NC
-2
-5
RXD
-3
-4
TXD
-4
-3
GND
-5
-2
XFGATE [t5]
-6
-1
GND
-1
-6
-1
VCC [+5V]
Upper
S4
-2
-5
-2
GND
-3
-4
-3
Upper Relay [t5]
Relay
-1
-3
-4
VCC [+5V]
Lower
-2
-2
-5
GND
S6
-3
-1
-6
Lower Relay [t5]
Relay
-2
-1
By-pass Pick-up [t24]
SOL
By-pass Pick-up
-1
-2
VAA [+24V]
1
-2
-1
Junction Gate Sol [t24]
SOL
Junction Gate Sol
-1
-2
VAA [+24V]
2
-2
-2
-1
VAA [+24V]
-2
-1
-2
Door Open [s24]
-1
-14 LCT Lift Motor(Down) [s5]
-2
-13 LCT Lift Motor(Up) [s5]
-3
-12 LCT Set [s5]
-4
-11 GND
-4
-5
-10 LCT Tray Down LED [t5]
Tray
-1
-6
-9
LCT Tray Down [t5]
SW2
Down
-2
-7
-8
GND
-3
-8
-7
VCC [+5V]
SW
-1
-9
-6
VCC [+5V]
Lower
-2
-10
-5
LCT Lower Limit [s5]
S7
Limit
-1
-1
M
-3
-11
-4
GND
-9
-2
5
-12
-3
LCT Cover SN [s5]
LCT Cover
(SW5)
-13
-2
GND
LCT Lift
SW
-14
-1
VCC [+5V]
-1
-3
-1
-3
-1
GND
S8
-2
-2
-2
-2
-2
LCT P.E. SN [s5]
-3
-1
-3
-1
-3
VCC [+5V]
SN
VAA [+24V]
GND
-12V
GND
+12V
GND
NC
VCC
GND
RXD (SCU → BCU)
TXD (BCU → SCU)
NC
Optics Fiber (Paper Feed Unit)
Optics Fiber (ADF)
Optics Fiber (Finisher)
-1
-3
-1
VCC [+5V]
Fusing Exit
-2
-2
-2
Fusing Exit SN [t5]
S16
SN
-3
-1
-3
GND
Toner
-3
-1
-12
-1
-7
-1
VCC [+5V]
-2
-2
-11
-2
-6
-2
Toner End SN [s5]
End
S18
-1
-3
-10
-3
-5
-3
GND
SN
-1
-9
-4
-4
-4
GND
-2
-8
-5
-3
-5
TD Sensor [0~10]
TD SN
S12
-3
-7
-6
-2
-6
TD +12V
-4
-6
-7
-1
-7
TD SN CNT [0~10]
Development Unit
-1
-5
-8
GND
-2
-4
-9
VAA [+24V]
Development
PCB
-3
-3
-10
Feed Back
Bias
15
-4
-2
-11
Trigger [t24]
Power Pack
-5
-1
-12
PWM [s0®0/5]
VCC [+5V]
GND
VCC [+5V]
GND
Unit
VAA [+24V]
(Option)
See 2/2
3
4
5
Symbol Table
AC Line
DC Line
Puls
Signal Direction
s
Active High
t
Active Low
[
]
Voltage
[+5V] VAA
GND
-2
-1
-1
Duplex Feed CLK [0→0/5]
-2
Duplex Feed CCW/CW [s5] -16
-3
Duplex Feed Start/Stop [t5] -17
-9
-4
Duplex Feed Power Down [t5] -18
-8
-5
Side Fence +A [t5→0/5]
-6
Side Fence -A [t5→0/5]
NC
-7
-7
Side Fence +B [t5→0/5]
NC
-6
-8
Side Fence -B [t5→0/5]
NC
-5
NC
-4
-9
End Fence +A [t5→0/5]
NC
-3
-10
End Fence -A [t5→0/5]
-2
-11
End Fence +B [t5→0/5]
-1
-12
End Fence -B [t5→0/5]
-1
VCC [+5V]
-2
Side Fence H.P [s5]
-3
End Fence H.P [s5]
-4
Paper End [s5]
-5
Entrance SN [t5]
-1
-B14
-2
-B13
-3
-B12
-6
Turn SN [s5]
-4
-B11
-7
GND
-8
Unit Set [t5]
-B10
-B9
-B8
-B7
-A1
GND
-B6
-B5
-A2
Paper End [s5]
-A3
VCC [+5V]
-B4
-B3
-A4
VAA [+24V]
-B2
-A5
Pick-up SOL [t24]
-B1
-A6
NC
-A7
GND
-A8
Tray Upper Limit [t5]
-A14
-A9
VCC [+5V]
-A13
-A12
-A10
VAA [+24V]
-A11
-A11
Separation [t24]
-A10
-B1
GND
-A9
-B2
Tray Paper Size 5 [t5]
-A8
-B3
Tray Paper Size 4 [t5]
-A7
-B4
Tray Paper Size 3 [t5]
NC
-A6
-B5
Tray Paper Size 2 [t5]
-B6
Tray Paper Size 1 [t5]
-A5
-A4
-A3
-B7
Tray Lift (+) [s24]
-B8
Tray Lift (-) [0]
-B9
NC
-A2
-A1
-B10
VAA [+24V]
-B11
Paper Feed [t24]
CN222
-A1
GND
-1
-A2
Registration SN [t5]
-2
-A3
VCC [+5V]
-3
NC
-1
-A4
VAA [+24V]
-2
-A5
Toner Supply [t24]
-3
-4
-A6
NC
-5
-A7
Not used
-6
-A8
Not used
-B14
-A9
NC
BCU
-B13
(PCB4)
-B12
-A10
VAA [+24V]
-A11
Relay CL [t24]
-B11
-A12
NC
-B10
-B9
-A13
VAA [+24V]
NC
-B8
-A14
Regist CL [t24]
-B7
-B6
-1
VAA [+24V]
-2
By-pass Feed CL [t24]
-B5
-B4
NC
-B3
-3
GND
-4
By-pass Table SW [s5]
-B2
-B1
-5
NC
-6
GND
-1
-7
By-pass Paper End [s5]
-2
-8
VCC [+5V]
-3
-9
By-pass Paper Size 1 [t5]
-4
-10
By-pass Paper Size 2 [t5]
-5
-11
By-pass Paper Size 3 [t5]
-6
-12
By-pass Paper Size 4 [t5]
-7
-13
GND
-8
-9
-A1
Toner Bottle Drive [t24]
-10
-A2
VAA [+24V]
-11
-12
-13
-A3
GND
-14
-A4
Toner Over Flow [t5-0/5]
-A5
VCC [+5V]
-1
-A6
VCA [+12V]
-2
-A7
ID SN LED [t12]
-3
-A8
ID Sensor [0~5]
-1
-2
-A9
VAA [+24V]
-3
-A10
Charge Inlet [st24]
-4
-5
-6
-1
VAA [+24V]
-7
-2
LCT Pick-up SOL [t24]
-8
-3
NC
-4
GND
-1
-5
LCT Upper Limit [s5]
-2
-6
VCC [+5V]
-3
-4
-7
GND
-8
By-pass Relay [t5]
CN219
-9
VCC [+5V]
CN220
CN221
-B10
-B9
Quenching
-B8
Lamp
-B7
L3
-B6
-B5
CN875
-B4
-B3
-B2
CN203
-B1
-1
-2
-3
CN152
-4
-5
-1
-2
High Voltage Control
-3
(PCB6)
-4
-5
NC
8 pin
4
5
6
DUPLEX UNIT
-1
COM +A [24] -1
-2
+A [t24]
-2
-3
-A [t24]
-3
M
-4
COM +B
-4
11
-5
+B [t24]
-5
Duplex
-6
-B [t24]
-6
Feed
-1
COM A [24] -1
-2
+A [t24]
-2
-3
-A [t24]
-3
M
-4
-B [t24]
-4
13
-5
+B [t24]
-5
-24
-24
Side
-6
COM B [24] -6
Fence
-1
-1
-1
-1 COM A [24] -1
Jogger
-13
-13
-1
-2 +A [t24]
-2
M
12
-3 -A [t24]
-3
-15
-15 -1
-4 -B [t24]
-4
-16 -2
End
-5 +B [t24]
-5
-17 -3
Fence
-6 COM B [24] -6
-18 -4
Jogger
-2
-2
-5
-1 GND [0]
-1
-3
-3
-6
-2 S.F. Jogger [t5] -2
S25
-4
-4
-7
-3 VCC [+5V]
-3
-5
-5
-8
Side Fence H.P
-6
-6
-9
-1 GND
-3
-2 E.F. Jogger [t5]-2
-7
-7
-10
S26
-8
-8
-11
-3 VCC [+5V]
-1
End Fence H.P
-9
-9
-12
-4 GND
-3
-5 Paper End [t5] -2
S22
-10
-6 VCC [+5V]
-1
-10 -1
Paper End
-19 -2
-19
-7
-8 GND
-3
-20
-20 -3
S24
-9 Entrance [t5] -2
-21
-21 -4
-10 VCC
-1
-22
-22 -5
Entrance
-23
-23 -6
-11 GND
-3
-12 Turn [s5]
-2
-11
-11 -7
S23
-14
-13 VCC [+5V]
-1
-14 -8
Turn
-11
-1
-3
-10
-2
-2
Paper End
S3
-9
-3
-1
-4
-2
-1
-8
SOL
Pick-up
-5
-1
-2
-7
4
-6
-5
-7
-3
-4
-8
-2
Tray Upper Limit
S5
-9
-1
-3
-2
-10
-2
-1
SOL
Separation
-1
-11
-1
-2
5
-6
-5
-4
-3
SW3
Tray Paper Size
-2
-1
-2
M3
Tray Lift
-1
-2
-1
CL
Paper Feed
-1
-2
7
-3
-1
-3
-2
-2
-2
Registration
S10
-1
-3
-1
-2
-1
CL
Toner Supply
-1
-2
1
-2
-1
CL
Relay
-1
-2
6
-2
-1
CL
Registration
-1
-2
4
-2
-2
CL
By-pass Feed
-1
-1
5
-2
By-pass Table
SW1
-1
-8
-1
-3
-2
-2
-7
S2
By-pass Paper End
-3
-1
-6
-5
-4
-5
-1
-4
-5
-4
-2
By-pass Paper
-3
-6
-3
-3
S1
-2
-7
-2
-4
Size
-5
-1
-8
-1
-8
-1
-2
-1
Toner Bottle Drive
M2
-7
-2
-1
-2
-6
-3
-3
-5
-4
-2
S27
Toner Overflow
-4
-5
-1
-3
-6
-3
-1
-3
-2
-7
-2
-2
-2
S11
ID SN
-1
-8
-1
-3
-1
-2
-1
FAN
Charge Inlet Fan
-1
-2
(M15)
-9
-1
-2
-1
SOL
LCT Pick-up
-8
-2
-1
-2
3
-7
-3
-6
-4
-3
LCT
-5
-5
-2
S9
-4
-6
-1
Upper Limit SN
-3
-7
-3
By-pass
-2
-8
-2
S28
-1
-9
-1
Relay SN
Transfer
High Voltage
Charge High
Charge Corona
Voltage
PCB
Cleaning Motor
Supply
14
(Option)
PCB5
CN187
CN874
CN153
CN154
CN157
6
A
B
C
D
E
F
G
H
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