10.3 Electric Parts Layout - Toshiba e-STUDIO281c Service Handbook

10.3 Electric Parts Layout

[A] Unit construction
Drive unit
PC board unit Scanner unit
Control panel unit
Fuser unit
Automatic
duplexing
unit
Bypass unit
Transport unit
Process unit
Front side
Laser unit
Paper feeder unit
[D] Process unit
[D-2] Motor, sensor, switch, solenoid, heater, ther-
mistor, thermostat
M3
S20
S14
SOL2
S17
ERS
THM4
THMO3*
DH3*
Front side
S13
[H] Bypass unit
SFB
CLT6
SOL3
S35
Front side
S36
Motors
Symbol Name Figure
SCAN-MOT
M1 [B-1]
Scan motor
BELT-CLN-MOT
M2 [D-1]
Transfer belt cleaner auger motor
TNR-MOT
M3 [D-2]
Toner motor
M/DC-POL
M4 [E]
Polygonal motor
ADU-MOT
M5 [I]
ADU motor
MAIN-MOT
M6 [K]
Main motor
EXIT-MOT
M7 [K]
Exit motor
DRM-CLN-MOT
M8 [K]
Drum cleaner brush motor
TRSP-MOT
M9 [K]
Transport motor
TRY-MOT
M10 [K]
Tray-up motor
DEV-MOT
M11 [K]
Developer motor
REVLV-MOT
M12 [K]
Revolver motor
CCL-MOT
M13 [B-1]
Charger cleaner motor
SCAN-FAN-MOT
M15 [B-1]
Scanner unit cooling fan
LSU-FAN-MOT
M16 [D-1]
Laser unit cooling fan
IH-FAN-MOT
M17 [K]
IH control board cooling fan
OZN-FAN-MOT
M18 [K]
Ozone exhaust fan
PS-FAN-MOT
M19 [L]
Power supply cooling fan
INTRNL-FAN-MOT
M20 [D-1]
Internal cooling fan
HDD-FAN-MOT
M21 [L]
HDD cooling fan
Lamps and heaters
Symbol Name Figure
LP-EXPO
EXP [B-1]
Exposure lamp
LP-ERS
ERS [D-2]
Discharge LED
IH-COIL
IH-COIL [J] AC wire harness
IH coil
SCN-L-DH
Scanner damp heater (Left)
DH1 [B-2] AC wire harness
* Optional for NAD/MJD model, standard for other
models
SCN-R-DH
Scanner damp heater (Right)
DH2 [B-2] AC wire harness
* Optional for NAD/MJD model, standard for other
models
DRM-DH
Drum damp heater
DH3 [D-2] AC wire harness
* Optional for NAD/MJD model, standard for other
models
CST-DH
DH4 Drawer damp heater [F] AC wire harness
* Only for JPD model of all equipments
[B] Scanner unit
[B-1] Motor, sensor, lamp
A4 series
M15
M1
S5
S7
S6
S4
EXP
S1 Front side
S2
S3
LT series
M15
M1
S5
S7
S6
S4
EXP
Front side
S2
S3
[D] Process unit
[D-3] Motor, switch
S25
M13
S26
Front side
[I] Automatic duplexing unit
S37
S38
S39
M5
CLT7
ADU
Front side
Sensors and Switches
Wire harness
Symbol Name
location
APS 1-3, APS-C, APS-R
4-G S1-5
Automatic original detection sensor
HOME-SNR
7-F S6
Carriage home position sensor
PLTN-SNR
8-G S7
Platen sensor
REVLV-HP-SNR
8-B S8
Revolver home position sensor
COLR-TNR-SNR
6-G S9
Color toner cartridge sensor
COLR-ATTNR-SNR
6-B S10
Color auto-toner sensor
K-DEV-POS-SNR
6-G S11
Black developer contact position detection sensor
K-DEV-TIM-SNR
8-D S12
Black developer contact timing detection sensor
K-ATTNR-SNR
6-C S13
Black auto-toner sensor
K-TNR-SW
8-F S14
Black toner cartridge switch
TRBLT-HP-SNR1
6-B S15
Transfer belt home position sensor-1
TRBLT-HP-SNR2
6-F S16
Transfer belt home position sensor-2
TNLVL-SNR
8-C S17
Image quality sensor
TR2-POS-SNR
4-F S18
2nd transfer roller position detection sensor
TEMP/HUMI-SNR
7-D S19
Temperature/humidity sensor
USD-TNR-FLL-SNR
8-A S20
Toner bag full detection sensor
RGST-SNR
8-A S22
Registration sensor
FED-U-SNR
5-H S23
Upper drawer feed sensor
FED-L-SNR
7-D S24
Lower drawer feed sensor
CCL-F-POS-SW
5-A S25
Charger cleaner front position detection switch
CCL-R-POS-SW
S26
Charger cleaner rear position detection switch
CST-U-TRY-SNR
S27
Upper drawer tray-up sensor
CST-L-TRY-SNR
Wire harness S28
Lower drawer tray-up sensor
location
EMP-U-SNR
S29
3-G Upper drawer empty sensor
EMP-L-SNR
S30
7-E Lower drawer empty sensor
NEMP-U-SNR
S31
Upper drawer paper stock sensor
NEMP-L-SNR
S32
Lower drawer paper stock sensor
CST-U-SW
S33
Upper drawer detection switch
CST-L-SW
S34
Lower drawer detection switch
SFB-SNR
S35
Bypass paper sensor
SFB-FED-SNR
S36
Bypass feed sensor
ADU-SET-SW
S37
ADU opening/closing switch
ADU-TRU-SNR
S38
ADU entrance sensor
ADU-TRL-SNR
S39
ADU exit sensor
EXIT-SNR
S40
Exit sensor
MAIN-SW
S41
Main switch
FRNT-COV-SW
S42
Front cover opening/closing switch
[B] Scanner unit
[B-2] Switch, PC board, heater, thermostat, other parts
DH2*
SLG
CCD
S41
THMO2*
DH1*
Front side
INV
[E] Laser unit
SNS
LDR
Front side
M4
[J] Fuser unit
S40
IH-COIL
THMO1
THM2
Front side
THM3
THM1
Symbol Name
Wire harness
Figure COV-INTLCK-SW
location S43
Cover opening/closing interlock switch
4-E
SIDE-COV-SW
[B-1]
S44
4-F
Side cover opening/closing switch
CLING-SNR
[B-1] 4-F
S45 Paper clinging detection sensor
* Only for JPD model of all equipments
[B-1] 4-F
[D-1] 6-F
Electromagnetic spring clutches
[D-1] 7-D
Symbol Name
[D-1] 7-C
TRBLT-CLN-CLT
CLT1
[D-1] 7-E
Transfer belt cleaner clutch
CST-U-FEED-CLT
CLT2
[D-1] 7-E Upper drawer feed clutch
CST-L-FEED-CLT
CLT3
[D-2] 7-E
Lower drawer feed clutch
2TR-CONT-CLT
CLT5
[D-2] 8-G
2nd transfer roller contact clutch
SFB-FEED-CLT
CLT6
[D-1] 7-F
Bypass feed clutch
ADU-CLT
CLT7
[D-1] 7-F ADU clutch
COLR-DEV-TNR-CLT
CLT8
[D-2] 8-H
Color developer toner supply clutch
COLR-DEV-CLT
CLT9
[G] 8-G
Color developer drive clutch
K-DEV-CLT
CLT10
[D-1] 7-D Black developer drive clutch
K-DEV-LIFT-CLT
CLT11
[D-2] 8-C
Black developer lifting clutch
RGST-CLT
CLT12
[G] 8-G
Registration clutch
CST-U-TR-L-CLT
CLT13
[G] 8-G
Upper transport clutch (Low speed)
CST-U-TR-H-CLT
CLT14
[G] 8-G Upper transport clutch (High speed)
CST-L-TR-L-CLT
CLT15
[D-3] 8-C
Lower transport clutch (Low speed)
CST-L-TR-H-CLT
CLT16
[D-3] 8-C
Lower transport clutch (High speed)
[F] 8-E
[F] 8-E Solenoids
[F] 8-E
Symbol Name
ATTNR-SHUT-SOL
[F] 8-E
SOL1
Color auto-toner sensor shutter solenoid
TNLVL-SHUT-SOL
[F] 8-E
SOL2
Image quality sensor shutter solenoid
SFB-SOL
[F] 8-F
SOL3
Bypass pickup solenoid
[F] 8-E
[F] 8-E
Transformer
[H] 6-H
Symbol Name
[H] 6-G
PS-HVT
HVT
High-voltage transformer
[I] 6-G
[I] 6-F
[I] 6-F
[J] 6-C
8-A
[B-2]
AC wire harness
[G] 8-H
05/11
[C] Control panel unit
KEY
LCD
DSP Front side
[F] Paper feeder unit
CLT2
CLT3
S31
S27
S33
S29
S32
S28
S34
S30
DH4*
Front side
[K] Drive unit
M17
M6 IH
M7
M18
M8
DRV
CLT12
M12 M9
CLT14
CLT13
CLT8
CLT15
CLT9
CLT16
M10
CLT10
CLT11
Front side
M11
HVT
PC boards
Wire harness
Figure
location
Symbol
[G] AC wire harness
PWA-F-CCD
CCD
[G] 8-G
CCD driving PC board (CCD board)
PWA-F-SLG
SLG
Scanning section control PC board (SLG board)
[G] 8-F
PWA-F-DSP
DSP
Display PC board (DSP board)
PWA-F-KEY
KEY
Key control PC board (KEY board)
PWA-F-LDR
LDR
Laser driving PC board (LDR board)
Wire harness
PWA-F-SNS
Figure
SNS
location
H-sync signal detection PC board (SNS board)
PWA-F-SFB
[D-1] 7-D
SFB Bypass tray slide guide width detection PC board
(SFB board)
[F] 8-D
PWA-F-ADU
ADU
ADU driving PC board (ADU board)
[F] 8-F
PS-IH
IH
IH control PC board (IH board)
[G] 8-F
PWA-F-DRV
DRV
Driving PC board (DRV board)
[H] 6-H
PWA-F-SYS
SYS
System control PC board (SYS board)
[I] 6-F
PWA-F-LGC
LGC
Logic PC board (LGC board)
[K] 8-D
PWA-F-FIL
FIL
Filter PC board (FIL board)
[K] 8-D
[K] 8-D
Thermistors and thermostats
[K] 8-C
[K] 8-D Symbol
THMS-EDGE-FBLT
[K] 8-D THM1
Front edge thermistor
THMS-MAIN-FBLT
[K] 8-D
THM2
Main thermistor
THMS-SUB-FBLT
[K] 8-F THM3
Sub thermistor
THMS-DRM
[K] 8-F THM4
Drum thermistor
THERMO-FSR
THMO1
Fuser thermostat
THERMO-SCN-DH
THMO2
Scanner damp heater thermostat
THERMO-DRM-DH
THMO3
Wire harness
Drum damp heater thermostat
Figure
location
[D-1] 7-D
Others
[D-2] 8-H
[H] 6-G Symbol
INV-EXP
INV
Inverter board
LCD
LCD
LCD panel
HDD
HDD
Wire harness
Hard disk
Figure
location
PS-ACC
PS
Switching regulator
[K] 6-D
BREAKER
BRK
Breaker
[D] Process unit
[D-1] Motor, sensor, switch, clutch, solenoid
M2
S16
S15
CLT1
S9
S19
S8
S12
S10
S11
SOL1
M20
Front side
M16
[G] Transport unit
S45*
CLT5
S18
S22
S23
S42
S43
S44
S24
Front side
[L] PC board unit
HDD
M21
SYS
M19
LGC
BRK
FIL
PS
Front side
Wire harness
Name Figure
location
[B-2] 3-F
[B-2] 4-G
[C] 1-G
[C] 1-H
[E] 8-B
[E] 8-B
[H] 6-H
[I] 7-G
7-B
[K]
AC wire harness
[K] 6-G
[L] 3-A
[L] 6-A
6-H
[L]
AC wire harness
Wire harness
Name Figure
location
[J] 7-C
[J] 7-C
[J] 7-C
[D-2] 7-F
[J] AC wire harness
[B-2] AC wire harness
[D-2] AC wire harness
Wire harness
Name Figure
location
[B-2] 4-G
[C] 1-G
[L] 5-B
5-G
[L]
AC wire harness
[L] AC wire harness