Toshiba e-STUDIO556 Service Manual page 982

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