14 - 4
Motors Sensors and Switches Electromagnetic spring clutches
Solenoids
PC boards
Lamps and heaters
Thermistors and thermostats
Transformer
Others
Symbol Name Figure
Wire harness
location
M1
SCAN-MOT
Scan motor
1)-a 2-G
M2
POL-MOT
Polygonal motor
3)-a
3)-b
5-E
M3
FUS-MOT
Fuser motor
4) 7-D
M4
WEB-MOT
Web motor
4) 7-C
M5
TNR-MOT
New toner supply motor
5) 5-B
M6
TNR-TR-MOT
New toner transport motor
5) 5-B
M7
HOP-MOT
Hopper motor
6) 6-B
M8
RCY-TNR-MOT
Recycle toner transport motor
6) 6-B
M9
USD-TNR-MOT
Used toner transport motor
6) 7-C
M10
DEV-MOT
Developer unit motor
7)-a 6-D
M11
DRM-MOT
Drum motor
7)-a 6-E
M12
CH-CLN-MOT
Wire cleaner drive motor
7)-a 6-B
M13
DRM-CLN-MOT
Cleaning brush drive motor
7)-a 6-D
M14
TRB-MOT
Transfer belt motor
7)-a 6-E
M15
TRB-CAM-MOT
Transfer belt cam motor
7)-a 6-F
M16
RGST-MOT
Registration motor
8) 6-F
M17
MT-MOT
Transport motor
8) 8-B
M18
EXIT-MOT
Exit motor
9) 6-A
M19
REV-MOT
Reverse motor
9) 7-G
M20
FEED-MOT
Feed motor
13) 6-H
M21
CST-TRY-MOT1
Tray-up motor-1
13) 7-A
M22
CST-TRY-MOT2
Tray-up motor-2
* Only for JPC model of all equipments
13) 7-B
M23
SLG-FAN-MOT
SLG board cooling fan
1)-a 2-F
M24
REV-FAN-MOT1
Reverse section cooling fan-1
9) 7-F
M25
REV-FAN-MOT2
Reverse section cooling fan-2
9) 7-F
M26
IH-FAN-MOT
IH board cooling fan
10) 7-E
M27
DCT-O-FAN-MOT
Duct out fan
10) 7-C
M28
FUS-FAN-MOT
Fuser cooling fan
10) 6-D
M29
EXIT-FAN-MOT
Exit section cooling fan
10) 7-C
M30
DCT-I-FAN-MOT
Duct in fan
11) 6 -D
M31
DEV-FAN-MOT
Developer unit fan
11) 6 -D
M32
LSU-FAN-MOT
Laser unit cooling fan
11) 6 -D
M33
SYS-FAN-MOT
SYS board cooling fan
15) 1-H
M34
PS-FAN-MOT1
Switching regulator cooling fan-1
*
15) 4-H
M35
PS-FAN-MOT2
Switching regulator cooling fan-2
15) 4-H
M41
LCF-TRY-MOT
Tandem LCF tray-up motor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-H
M42
LCF-ENDF-MOT
Tandem LCF end fence motor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
MR1 Original feed motor 17)-b 3-F
MR2 Read motor 17)-b 3-F
MR3 Original reverse motor 17)-b 3-F
MR4 Original exit motor 17)-b 3-G
FR1 RADF cooling fan 17)-b 4-H
Symbol Name Figure
Wire harness
location
S1-5
APS1-3, APS-C, APS-R
Automatic original detection sensor
1)-a 2-F
S6
HOME-SNR
Carriage home position sensor
1)-a 2-G
S7
TEMP/HUMI-SNR
Temperature/humidity sensor
2) 4-A
S8
WEB-SNR
Web detection sensor
4) 7-C
S9
FUS-TR-SNR
Fuser transport sensor
4) 7-B
S10
TNR-EMP-SNR
Toner cartridge empty detection sensor
5) 5-B
S11
USD-TNR-FLL-SNR
Toner bag full detection sensor
6) 6-F
S12
ATTNR-SNR
Auto-toner sensor
7)-a 5-A
S13
DRUM-SUF-SNR
Drum surface potential sensor
7)-a 6-B
S14
TNR-LVL-SNR
Image quality sensor
7)-a 6-C
S15
TRB-SNR2
Transfer belt release detection sensor
7)-a 6-F
S16
TRB-SNR1
Transfer belt contact detection sensor
7)-a 6-F
S17
MID-TR-SNR
Intermediate transport sensor
8) 8-B
S18
RGST-SNR
Registration sensor
8) 6-E
S19
HRZ-TR-SNR1
Horizontal transport sensor-1
8) 7-E
S20
HRZ-TR-SNR2
Horizontal transport sensor-2
8) 7-E
S21
HRZ-TR-SNR3
Horizontal transport sensor-3
8) 7-E
S22
EXIT-SNR
Exit sensor
9) 7-F
S23
REV-SNR1
Reverse sensor-1
9) 7-F
S24
REV-SNR2
Reverse sensor-2
9) 7-F
S25
SFB-COV-SNR
Bypass feed unit cover sensor
11) 5-A
S26
FEED-COV-SNR
Feed cover sensor
11) 5-B
S27
SFB-FEED-SNR
Bypass feed sensor
12) 8-A
S28
SFB-SIZE-SNR
Bypass paper size detection sensor
12) 8-B
S29
CST1-SNR
1st drawer detection sensor
13) 8-C
S30
CST1-BTM-SNR
1st drawer bottom sensor
13) 7-A
S31
CST1-EMP-SNR
1st drawer empty sensor
13) 8-C
S32
CST1-TRY-SNR
1st drawer tray-up sensor
13) 8-C
S33
CST1-TR-SNR
1st drawer transport sensor
13) 8-C
S34
CST1-FEED-SNR
1st drawer feed sensor
13) 8-C
S35
CST2-SNR
2nd drawer detection sensor
13) 8-D
S36
CST2-BTM-SNR
2nd drawer bottom sensor
13) 7-A
S37
CST2-EMP-SNR
2nd drawer empty sensor
13) 8-D
S38
CST2-TRY-SNR
2nd drawer tray-up sensor
13) 8-D
S39
CST2-TR-SNR
2nd drawer transport sensor
13) 8-D
S40
CST2-FEED-SNR
2nd drawer feed sensor
13) 8-D
S41
CST3-SNR
3rd drawer detection sensor
13) 8-E
S42
CST3-BTM-SNR
3rd drawer bottom sensor
* Only for JPC model of all equipments
13) 7-B
S43
CST3-EMP-SNR
3rd drawer / tandem LCF empty sensor
13) 8-E
S44
CST3-TRY-SNR
3rd drawer / tandem LCF tray-up sensor
13) 8-E
S45
CST3-TR-SNR
3rd drawer / tandem LCF transport sensor
13) 8-E
S46
CST3-FEED-SNR
3rd drawer / tandem LCF feed sensor
13) 8-E
S47
CST4-SNR
4th drawer detection sensor
* Only for JPC model of all equipments
13) 8-F
S48
CST4-BTM-SNR
4th drawer bottom sensor
* Only for JPC model of all equipments
13) 7-B
S49
CST4-EMP-SNR
4th drawer empty sensor
* Only for JPC model of all equipments
13) 8-F
S50
CST4-TRY-SNR
4th drawer tray-up sensor
* Only for JPC model of all equipments
13) 8-F
S51
CST4-TR-SNR
4th drawer transport sensor
* Only for JPC model of all equipments
13) 8-F
S52
CST4-FEED-SNR
4th drawer feed sensor
* Only for JPC model of all equipments
13) 8-F
S71
LCF-BTM-SNR
Tandem LCF bottom sensor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
S72
LCF-MST-SNR
Standby side mis-stacking sensor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
S73
LCF-ENDF-HP-SNR
End fence home position sensor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
S74
LCF-EMP-SNR
Standby side empty sensor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
S75
LCF-ENDF-STP-SNR
End fence stop position sensor
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-G
SW1
FSR-SW
Fuser detection switch
4) AC wire harness
SW2
TNR-SW
Toner cartridge detection switch
5) 5-B
SW3
DEV-SW
Developer unit detection switch
7)-a 6-B
SW4
CH-CLN-POS-SW
Wire cleaner position detection switch
7)-a 6-C
SW5
EXIT-COV-SW
Exit cover switch
9) 7-F
SW6
MAIN-SW
Main power switch
10)
6-B
AC wire harness
SW7
U-FRNT-COV-SW
Front cover switch
10) 5-B
SW8
COV-INTLCK-SW
Cover interlock switch
10) AC wire harness
SW9
IH-INTLCK-SW
IH interlock switch
10) AC wire harness
SW11
TNR-MOT-INTLCK-SW
Toner motor interlock switch
10) 5-B
SR1 Original tray sensor 17)-a 3-E
SR2 Original tray width sensor 17)-a 3-F
SR3 Original empty sensor 17)-a 4-E
SR4 Original reading end sensor 17)-a 4-G
SR5 Original registration sensor 17)-a 4-F
SR6 Original width detection sensor-1 17)-a 4-E
SR7 Original width detection sensor-2 17)-a 4-F
SR8 Original width detection sensor-3 17)-a 4-F
SR9 Original intermediate transport sensor 17)-a 4-G
SR10 Original reading start sensor 17)-a 4-G
SR11 Original exit/reverse sensor 17)-a 4-F
SR12 Original exit sensor 17)-a 4-G
SR13 Original jam access cover opening/closing sensor 17)-a 4-E
SR14 Original reverse unit opening/closing sensor 17)-a 4-G
SR15 RADF opening/closing sensor 17)-a 4-G
SWR1 Jam access cover opening/closing switch 17)-a 3-E
SWR2 RADF opening/closing switch 17)-a 3-E
Symbol Name Figure
Wire harness
location
Symbol Name Figure
Wire harness
location
CLT1
HRZ-DR-CLT1
Horizontal transport section driving clutch-1
8) 7-E
CLT2
HRZ-DR-CLT2
Horizontal transport section driving clutch-2
8) 7-E
CLT3
HRZ-DR-CLT3
Horizontal transport section driving clutch-3
8) 7-E
CLT4
SFB-FEED-CLT
Bypass feed clutch
12) 8-B
CLT5
CST1-TR-CLT
1st drawer transport clutch
13) 8-C
CLT6
CST1-FEED-CLT
1st drawer feed clutch
13) 8-C
CLT7
CST2-TR-CLT
2nd drawer transport clutch
13) 8-D
CLT8
CST2-FEED-CLT
2nd drawer feed clutch
13) 8-D
CLT9
CST3-TR-CLT
3rd drawer / tandem LCF transport clutch
13) 8-E
CLT10
CST3-FEED-CLT
3rd drawer / tandem LCF feed clutch
13) 8-E
CLT11
CST4-TR-CLT
4th drawer transport clutch
* Only for JPC model of all equipments
13) 8-F
CLT12
CST4-FEED-CLT
4th drawer feed clutch
* Only for JPC model of all equipments
13) 8-F
Symbol Name Figure
Wire harness
location
SOL1
SPRT-FING-SOL
Drum separation finger solenoid
7)-a 6-C
SOL2
GATE-SOL
Gate solenoid
9) 7-F
SOL3
SFB-SOL
Bypass pickup solenoid
12) 8-A
SOL7
LCF-PICK-SOL
Tandem LCF pickup solenoid
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
13) 8-E
SOL8
LCF-ENDF-SOL
Tandem LCF end fence solenoid
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
14) 8-H
SOLR1 Original pickup solenoid 17)-b 2-G
SOLR2 Original reverse solenoid 17)-b 2-G
SOLR3 Original exit solenoid 17)-b 2-G
Symbol Name Figure
Wire harness
location
CCD
PWA-F-CCD
CCD driving PC board (CCD board)
1)-a 3-F
SLG
PWA-F-SLG
Scanning section control PC board (SLG board)
1)-a 2-E
DSP
PWA-F-DSP
Display PC board (DSP board)
2) 3-A
KEY
PWA-F-KEY1
Key PC board-1 (KEY1 board)
2) 3-A
PLG
PWA-H-PLG
Laser control PC board (PLG board)
3)-a
3)-b
5-E
LDR1
PWA-F-LDR1
Laser driving PC board-1 (LDR1 board)
3)-a
3)-b
4-E
LDR2
PWA-F-LDR2
Laser driving PC board-2 (LDR2 board)
* Only for e-STUDIO756/856 models
3)-b 4-F
SNS
PWA-F-SNS
H-sync detection PC board (SNS board)
3)-a
3)-b
5-E
5-F
FUS
PWA-F-FUS
Fuse PC board (FUS board)
* Optional for NAD/MJD model, standard for other models
7)-b AC wire harness
IH
PWA-F-IH
Heater control PC board (IH board)
10) 7-D
MOT
PWA-F-MOT
Motor driving PC board (MOT board)
15) 6-E
MOT2-MT
PWA-F-MOT2-MT
Transport motor driving PC board (MOT2-MT board)
11) 8-B
MOT2-RV
PWA-F-MOT2-RV
Reverse motor driving PC board (MOT2-RV board)
9) 7-G
SYS
PWA-F-SYS
System control PC board (SYS board)
15) 2-B
SYSIF
PWA-F-SYSIF
System interface PC board (SYSIF board)
15) 4-D
RAM-S
PWA-F-SRAM-S
SRAM board
15) 2-A
LGC
PWA-H-LGC
Logic PC board (LGC board)
15) 6-A
FIL
PWA-F-FIL
Filter PC board (FIL board)
* Only for NAD/SAD/ARD/ASD/AUD/MJD/CND/TWD model of all
equipments
16)-c AC wire harness
RADF
PWA-F-RADF
RADF control PC board (RADF board)
17)-b 3-G
Symbol Name Figure
Wire harness
location
EXP
LP-EXPO
Exposure lamp
1)-a 2-D
ERS
LP-ERS
Discharge LED
7)-a 6-C
IH-COIL
IH-COIL
IH coil
4) AC wire harness
DH1
SCN-DH-L
Scanner damp heater (Left)
1)-b AC wire harness
DH2
SCN-DH-R
Scanner damp heater (Right)
1)-b AC wire harness
DH3
DRM-DH
Drum damp heater
7)-b AC wire harness
Symbol Name Figure
Wire harness
location
THM1
THMS-F-HTR
Fuser roller front thermistor
4) 7-B
THM2
THMS-C-HTR
Fuser roller center thermistor
4) 7-B
THM3
THMS-R-HTR
Fuser roller rear thermistor
4) 7-B
THM4
THMS-L-HTR
Pressure roller thermistor
4) 7-C
THM5
THMS-DRM
Drum thermistor
7)-a 6-C
THMO1
THERMO-C-HTR
Fuser roller center thermostat
4) AC wire harness
THMO2
THERMO-S-HTR
Fuser roller side thermostat
4) AC wire harness
THMO3
THERMO-SCN-DH
Scanner damp heater thermostat
1)-b AC wire harness
THMO4
THERMO-DRM-DH
Drum damp heater thermostat
7)-b AC wire harness
Symbol Name Figure
Wire harness
location
HVT
PS-HVT
High-voltage transformer
15) 6-G
Symbol Name Figure
Wire harness
location
INV-EXP
INV-EXP
Lamp inverter board
1)-a 2-E
LCD
LCD
LCD panel
2) 4-A
TCP
TCP
Touch panel
2) 4-A
GLV
MIR-GLV
Galvanic mirror
* Only for e-STUDIO756/856
3)-b 5-G
HDD
HDD
Hard disk
15) 1-G
PS
PS-ACC
Switching regulator
15)
4-H
AC wire harness
NF1
NS-FIL1
Noise filter-1
* Only for JPC model
16)-a
16)-b
AC wire harness
NF2
NS-FIL2
Noise filter-2
* Only for JPC model of e-STUDIO856
16)-b AC wire harness
BRK1
BREAKER1
Breaker-1
16)-a
16)-b
16)-c
16)-d
AC wire harness
BRK2
BREAKER2
Breaker-2
* Only for JPC model of e-STUDIO856
16)-b AC wire harness
1) Scanner unit
a. Motor, sensor, PC board, fan
1) Scanner unit
b. Heater, thermostat
2) Control panel 3) Laser unit
a. e-STUDIO556/656
3) Laser unit
b. e-STUDIO756/856
4) Fuser related section
M1
S5
S4
INV-EXP
S6
EXP
M23
SLG
CCD
S1
S3
S2
S53
M38
M36
M37
THMO3
DH1
DH2
S7
KEY
TCP/LCD
DSP
LDR1
PLG
M2
SNS
LDR1
LDR2
PLG
M2
GLV
SNS
M3
THM3
THMO1
THM2
THMO2
THM1
M4
S9
S8
SW1
IH-COIL
THM4
5) Toner cartridge related section 6) Toner recycle / used toner recovery unit 7) Developer unit / drum/ transfer belt unit related section
a. Motor, sensor, switch, solenoid, lamp, thermistor
7) Developer unit / drum/ transfer belt unit related section
b. Heater, thermostat, PC board
8) Paper transport unit 9) Paper exit / reverse section
SW2
M5
S10
M6
M9
S11
M8
M7
M10
M11
M14
M15
S16
S15
SOL1
SW4
S12
S13
THM5
SW3
S14
ERS
M12
M13
THMO4
DH3
FUS
S19
CLT1
CLT2
CLT3
M16
S18
M17
S17
S20
S21
SW5
S24
MOT2-RV
M19
M18
S22
M24
S23
M25
SOL2
10) Equipment (left view) 11) Equipment (right view) 12) Bypass feed unit 13) Paper feeding section 14) Tandem LCF 15) Equipment (rear view)
M28
M29
SW8
SW9
M27
SW7
SW11
SW6
IH
M26
S25
S26
M30
M32
M31
MOT2-MT
S27
CLT4
SOL3
S28
S32
S33
S36
S37
S38
S34
S39
S40
S45
S44
S43
S42
S46
S31
M21
SOL7
S30
S29
CLT6
CLT5
S35
CLT8
CLT7
M20
S41
S47
CLT12
CLT11
CLT10
CLT9
M22
S48
S49
S50
S51
S52
S75
S74
S73
S72
SOL8
S71
M41
M42
MOT
M35
PS
SYS
M33
RAM-S
HDD
M34
LGC
HVT
16) AC input section
a. e-STUDIO656: JPC model
16) AC input section
b. e-STUDIO856: JPC model
16) AC input section
c. e-STUDIO556: NAD model,
e-STUDIO656: NAD/SAD/TWD model,
e-STUDIO756/856: NAD/SAD model
16) AC input section
d. e-STUDIO556: ASD/AUD/MJD/CND model,
e-STUDIO656/756/856: ARD/ASD/AUD/MJD/CND model,
e-STUDIO756/856: TWD model
17) Reversing automatic document feeder (RADF)
a. Sensor, Switch
17) Reversing automatic document feeder (RADF)
b. Motor, fan, solenoid, PC board
SR1SR2
SWR2
SR3
SR13
SR15
SR5
SR14
SR10
SR9
SR4
SR11
SWR1
SR6
SR7
SR8
SR12
SOLR3
SOLR1
MR3
RADF
SOLR2
FR1
MR4
MR2
MR1
14.2.2 Electric Parts Layout
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