Toshiba e-STUDIO 5540C Service Manual page 1277

14.2.3 Electric Parts Layout
[A]-1 Reversing Automatic Document Feeder (RADF) [A]-2 Reversing Automatic Document Feeder (RADF)
SWR2
SR15
SR13 SR2 SR1
SWR1
SR3
MR2
SR7
SR6
SR5
FR1
SR12
SR14
SR8
SR10
SR9
SR4 SR11
[E]-1 Developer unit [E]-2 Developer unit
M27
M28
S43
S44
M32
M29
M30
M31
[I] Toner cartridge/Waste toner box [J] Automatic duplexing unit
M15
M16
M17
M18
S8
S9
S10
S11
SW2
LED
S42
S38
M33
S39
S40
S41
S14
S16
S13
[N] Tandem LCF [O] PC boards
S111
M47 RAM-S
M46
SYS
SOL9
S106
S112 SOL11
S107
S110
S108
SOL10
S109
S113
Motors
Symbol
Figure Wire harness
Symbol Name
location
FAN-INV-MOT
F2
Scanner unit cooling fan-1
FEED-MOT
MR1 [A]-2 3-F
Original feed motor
FAN-REAR-MOT
F3
READ-MOT Exposure lamp cooling fan-1
MR2 [A]-2 3-F
Read motor
EXIT-PAPER-FAN-MOT-R
F5
SB-MOT Exit paper cooling fan (front)
MR3 [A]-2 3-F
Original reverse motor
BRIDGE-FAN-MOT-F
F6
Bridge unit cooling fan (front)
EXIT-MOT
MR4 [A]-2 3-G
Original exit motor
BRGE-FAN-MOT-R
F7
SCAN-MOT Bridge unit cooling fan (rear)
M1 [B] 2-F
Scan motor
IH-FAN-MOT-1
F8
EXIT-MOT IH board cooling fan-1
M2 [C] 6-H
Exit motor
IH-FAN-MOT-2
F9
IH board cooling fan-2
REV-MOT
M3 [C] 6-H
Reverse motor
ADU-FAN-MOT
F11
Reversed paper cooling fan
BRIDGE-ENT-MOT
M4 [C] 6-H
Bridge unit transport entrance motor
EPU-FAN-MOT
F14
BRIDGE-EXIT-MOT EPU cooling fan
M5 [C] 6-G
Bridge unit transport exit motor
EXIT-PAPER-FAN-MOT-F
F15
Exit paper cooling fan (rear)
FUS-MOT
M6 [D]-1 6-D
Fuser motor
EPU-FAN-MOT-K
F17
Main charger blowing fan-K
ADU-MOT-1
M7 [J] 8-D
ADU motor-1
EPU-FAN-MOT-C
F18
ADU-MOT-2 Main charger blowing fan-C
M8 [J] 8-D
ADU motor-2
EPU-FAN-MOT-M
F19
Main charger blowing fan-M
TRU-WASTE-TNR-MOT
M10 [G] 7-D
TRU waste toner motor
EPU-FAN-MOT-Y
F20
Main charger blowing fan-Y
TRU-WASTE-TNR-TEPT-MOT
M11 [G] 8-E
TRU waste toner transport motor
TNR-CTRG-FAN-MOT
F21
SFB-MOT Toner cartridge heat insulation fan
M12 [L] 8-D
Bypass motor
LSU-FAN-MOT-F
F22
TBU-MOT Laser optical unit cooling fan (Front)
M13 [F] 7-E
Transfer belt motor
LSU-FAN-MOT-R
F23
Laser optical unit cooling fan (Rear)
TBU-CAM-MOT
M14 [F] 7-E
Transfer belt cam motor
QZN-FAN-MOT
F24
Ozone suctioning fan
TNR-MOT-K
M15 [I] 6-E
Toner motor-K
DEV-FAN-MOT
F25
TNR-MOT-C Scattered toner suctioning fan
M16 [I] 6-D
Toner motor-C
FAN-FRONT-MOT
F26
Exposure lamp cooling fan-2
TNR-MOT-M
M17 [I] 6-D
Toner motor-M
SYS-FAN-MOT
F27
SYS board cooling fan
TNR-MOT-Y
M18 [I] 6-D
Toner motor-Y
HDD-FAN-MOT
F28
SUB-HOP-MOT-K HDD cooling fan
M19 [E]-3 8-B
Sub-hopper toner motor-K
UPPER-FAN-MOT-L
F29
Upper exhaust fan (left)
SUB-HOP-MOT-C
M20 [E]-3 8-A
Sub-hopper toner motor-C
UPPER-FAN-MOT-R
F30
Upper exhaust fan (right)
SUB-HOP-MOT-M
M21 [E]-3 7-B
Sub-hopper toner motor-M
TNR-EX-FAN-MOT
F31
SUB-HOP-MOT-Y Toner cooling exhaust fan
M22 [E]-3 7-A
Sub-hopper toner motor-Y
UP-EXIT-FAN-MOT-1
F32
Upper exit section cooling fan-1
CH-CLN-MOT-K
M23 [E]-3 8-C
Needle electrode cleaner motor-K
UP-EXIT-FAN-MOT-2
F33
Upper exit section cooling fan-2
CH-CLN-MOT-C
M24 [E]-3 8-B
Needle electrode cleaner motor-C
LOW-EXIT-FAN-MOT-1
F34
CH-CLN-MOT-M Lower exit section cooling fan-1
M25 [E]-3 7-C
Needle electrode cleaner motor-M
LOW-EXIT-FAN-MOT-2
F35
CH-CLN-MOT-Y Lower exit section cooling fan-2
M26 [E]-3 7-B
Needle electrode cleaner motor-Y
LOW-EXIT-FAN-MOT-3
F36
Lower exit section cooling fan-3
DRM-MOT-K
M27 [E]-1 4-B
Drum motor-K
PS-FAN-MOT-1
F37
Power supply unit cooling fan-1
DRM-MOT-YMC
M28 [E]-1 4-B
Drum motor-YMC
PS-FAN-MOT-2
F38
DEV-MOT-K Power supply unit cooling fan-2
M29 [E]-1 5-F
Developer unit motor-K
Sensors
K-DEV-MIX-MOT
M30 [E]-1 5-E
Developer unit mixer motor-K
Symbol
DEV-MOT-YMC
M31 [E]-1 4-C
TRAY LENGTH-SNR
Developer unit motor-YMC
SR1
Original tray sensor
DEV-MIX-MOT-YMC
M32 [E]-1 4-B
Developer unit mixer motor-YMC TRAY WIDTH-SNR
SR2
Original tray width sensor
WASTE-TNR-TRPT-MOT
M33 [I] 6-C
Waste toner transport motor EMPTY-SNR
SR3
Original empty sensor
POL-MOT
M34 [H] 5-D
READ OUT-SNR
Polygonal motor
SR4
Original reading end sensor
MIR-MOT-M
M35 [H] 5-C
Mirror motor-M RGT-SNR
SR5
Original registration sensor
MIR-MOT-C
M36 [H] 5-D
Mirror motor-C WIDTH1-SNR
SR6
Original width detection sensor-1
MIR-MOT-K
M37 [H] 5-D
WIDTH2-SNR
Mirror motor-K
SR7
Original width detection sensor-2
SHT-MOT
M38 [H] 5-C
Shutter motor WIDTH3-SNR
SR8
Original width detection sensor-3
RGST-MOT
M39 [G] 6-H
Registration motor MIDDLE-SNR
SR9
Original intermediate transport sensor
TRNS-MOT-1
M40 [M]-1 6-H
READ IN-SNR
Transport motor-1
SR10
Original reading start sensor
TRNS-MOT-2
M41 [M]-1 7-H
EXITR-SNR
Transport motor-2
SR11
Original exit/reverse sensor
FEED-MOT
M42 [M]-1 7-H
Feed motor EXIT-SNR
SR12
Original exit sensor
FED/TR-MOT
M43 [M]-1 8-C
Feed/transport motor JAM COVER-UPPER-SNR
SR13 Original jam access cover opening/closing
CST-TRY-MOT-1 sensor
M44 [M]-1 8-F
Tray-up motor-1
JAM COVER-LOWER-SNR
SR14
CST-TRY-MOT-2
Original reverse unit opening/closing sensor
M45 [M]-1 8-G
Tray-up motor-2
DF OPEN-SNR
SR15
YLCF-TRY-MOT
RADF opening/closing sensor
M46 [N] 8-G
Tandem LCF tray-up motor
APS-2
S1
TLCF-END-MOT Automatic original detection sensor (APS-2)
M47 [N] 8-F
Tandem LCF end fence motor
APS-C
S2
TR2-MOT
Automatic original detection sensor (APS-C)
M48 [G] 5-A
2nd Transfer cam motor
APS-1
S3
Fans Automatic original detection sensor (APS-1)
Figure Wire harness
APS-3
Symbol Name S4
location Automatic original detection sensor (APS-3)
DF-FAN-MOT APS-R
FR1 [A]-2 4-H S5
RADF cooling fan Automatic original detection sensor (APS-R)
FAN-SLG-MOT HOME-SNR
F1 [B] 2-G S6
SLG board cooling fan Carriage home position sensor
[B] Scanner unit
RADF
S7
MR4 S6
F3
MR1
EXP
F2
F26
SOLR2
SOLR3
MR3
SOLR1
[E]-3 Developer unit
THM1
S34 ERS-K
ERS-C
M23
M24
ERS-M
M25
ERS-Y
M26
S30
S12
S31 S26
M22
S32
S27 F20
THM2
S33
F19
S28
S29
[K] Cover switches/Cover sensor/TRU waste toner box
S64
F11
SW7
SW8
SW9
M7
SW3
ADU
SW4
S66
S67
M8
[P] Power supply
F28
（e-STUDIO
5540C/6540C
/6550C Only）
HDD
IMG
LGC
RAM-L
PFC
F27 BRK
FIL
Figure Wire harness
Name Symbol
location
PLTN-SNR
[B] 2-G S7
Platen sensor
TNR-SNR-K
[B] 2-F
S8 Toner cartridge paddle rotation detection sensor-
K
[C] 7-G
TNR-SNR-C
S9 Toner cartridge paddle rotation detection sensor-
C
[C] 6-G
TNR-SNR-M
S10 Toner cartridge paddle rotation detection sensor-
[C] 7-G
M
TNR-SNR-Y
[D]-2 6-D
S11 Toner cartridge paddle rotation detection sensor-
Y
[D]-2 6-D
TEMP/HUMI-SNR
S12
Temperature/humidity sensor
[J] 7-E
WASTE-TNR-AMOT-SNR
S13
Waste toner amount detection sensor
[Q] 6-C
WASTE-TNRFLL-SNR
S14
Waste toner box full detection sensor
[D]-1 7-H
WASTE-TNR-BOX-SNR
S16
Waste toner detection sensor
[E]-3 8-B
TRU-WASTE-TNR-AMT-SNR
S17
TRU waste toner amount detection sensor
[E]-3 8-B
IMG-POS-SNR-F
S20
Image position aligning sensor (front)
[E]-3 7-B
IMG-POS-SNR-C
S21
Image position aligning sensor (center)
[E]-3 7-B
IMG-POS-SNR-R
S22
Image position aligning sensor (rear)
[D]-1 8-C
TNR-LVL-SNR
S23
Image quality sensor
[H] 7-C
SHT-SNR-HP
S24
Shutter sensor (home position)
[H] 7-E
SHT-SNR-EP
S25
Shutter sensor (end position)
[Q] 6-C
ATTNR-SNR-K
S26
Auto-toner sensor-K
[Q] 6-C
ATTNR-SNR-C
S27
Auto-toner sensor-C
[B] 2-F
ATTNR-SNR-M
S28
Auto-toner sensor-M
[O] 1-H
ATTNR-SNR-Y
S29
Auto-toner sensor-Y
[O] 1-H
CH-CLN-SNR-K
S30
Needle electrode cleaner detection sensor-K
[Q] 8-C
CH-CLN-SNR-C
S31
Needle electrode cleaner detection sensor-C
[Q] 8-C
CH-CLN-SNR-M
S32
Needle electrode cleaner detection sensor-M
[Q] 7-C
CH-CLN-SNR-Y
S33
Needle electrode cleaner detection sensor-Y
[Q] 7-F
-
S34
Drum surface potential (V0) sensor-K
[Q] 7-F
SUB-HOP-TNR-SNR-K
S38
Sub-hopper toner sensor-K
[Q] 7-F
SUB-HOPTNR-SNR-C
S39
Sub-hopper toner sensor-C
[Q] 7-F
SUB-HOPTNR-SNR-M
S40
Sub-hopper toner sensor-M
[Q] 7-F
SUB-HOP-TNR-SNR-Y
S41
Sub-hopper toner sensor-Y
[P] 4-G
AUG-LOCK-SNR
S42
Auger lock detection sensor
[P] 4-G
YMC-DRM-PHASE-SNR
S43
Color drum phase sensor
K-DRM-PHASE-SNR
S44
Wire harness
K drum phase sensor
Name Figure
location
TBU-CONT-SNR
S46
Transfer belt contact/release detection sensor
[A]-1 3-E
CLNG-SNR
S47
Transfer belt paper clinging detection sensor
[A]-1 3-F
PRPOS-SNR
S48
Fuser unit contact/release detection sensor
[A]-1 4-E
HRLOCK-SNR
S49
Fuser belt rotation detection sensor
[A]-1 4-G
TR2-SNR
S50 2nd transfer roller contact/release detection
[A]-1 4-F
sensor
TR2-CLNG-SNR
[A]-1 4-E S51
2nd transfer side paper clinging detection sensor
RGST-SNR
[A]-1 4-F
S52
Registration sensor
BRIDGE-ENT-SNR
[A]-1 4-F
S55
Bridge unit path entrance sensor
BRIDGE-EXIT-SNR
[A]-1 4-G S56
Bridge unit path exit sensor
REV-PATH-SNR
[A]-1 4-G
S57
Reverse path sensor
REV-JAM-SNR
[A]-1 4-F
S58
Reverse section stationary jam detection sensor
REV-PATH-OPEN-SNR
[A]-1 4-G S59
Reverse sensor
REV-JAM-SNR
S60
[A]-1 4-E
Reverse section paper transport detection sensor
UP-EXIT-SNR
S61
Upper paper exit sensor
[A]-1 4-G
UP-EXIT-SNR
S62
Upper exit tray paper full detection sensor
[A]-1 4-G
LOW-EXIT-SNR
S63
Lower paper exit sensor
[B] 2-E
ADU-OPEN-SNR
S64
Duplexing unit opening/closing detection sensor
[B] 2-E
FUS-TRPT-SNR
S65
Fuser transport sensor
[B] 2-E
ADU-ENT-SNR
S66
Duplexing unit path entrance sensor
[B] 2-E
ADU-EXIT-SNR
S67
Duplexing unit path exit sensor
[B] 2-E
MEDIA-SNR
S69
Media sensor
[B] 2-F
[C] Bridge unit/Paper exit
M1
F7
M4
INV S5 (A4 series)
M3
S5 (LT series)
M5
F1 M2
DRV
SLG
CCD
S61
S4
SW5
S3
(A4 series only)
S60
S1
S2
S62
S63
[F] Transfer belt unit
M13
SOL4
M14
M20
M19
F17
F18
S46
EPU
V0S
M21
[L] Bypass feed unit
S17
SW1
S114
[Q] Fans
F30
F29
F32
F34
F31
HVT1
HVT2
PS
F25
F37 F38
F24
Figure Wire harness
Name Symbol Name
location
SFB-SIZE-SNR
[B] 2-E S70
Bypass paper size detection sensor
SFB-SNR
S71
[I] 6-E Bypass paper sensor
SFB-FEED-SNR
S72
Bypass feed sensor
[I] 6-D
CST1-SNR
S73
1st drawer detection sensor
CST1-BTM-SNR
[I] 6-D
S74
1st drawer bottom sensor
CST1-EMP-SNR
S75
1st drawer empty sensor
[I] 6-D
CST1-TRY-SNR
S76
1st drawer tray-up sensor
[E]-2 7-C
CST1-TRNS-SNR
S77
1st drawer transport sensor
[I] 6-C
CST1-FEED-SNR
S78
1st drawer feed sensor
[I] 6-B
CST1-SIZE-SNR-1
S79
1st drawer paper size detection sensor-1
[I] 6-C
CST1-SIZE-SNR-2
S80
1st drawer paper size detection sensor-2
[K] 8-E
CST2-SNR
S81
2nd drawer detection sensor
[G] 6-D
CST2-BTM-SNR
S82
2nd drawer bottom sensor
[G] 6-C
CST2-EMP-SNR
S83
2nd drawer empty sensor
[G] 6-C
CST2-TRY-SNR
S84
2nd drawer tray-up sensor
[G] 6-C
CST2-TRNS-SNR
S85
2nd drawer transport sensor
[H] 5-C
CST2-FEED-SNR
S86
2nd drawer feed sensor
[H] 5-C
CST2-SIZE-SNR-1
S87
2nd drawer paper size detection sensor-1
[E]-2 8-C
CST2-SIZE-SNR-2
S88
2nd drawer paper size detection sensor-2
[E]-2 8-B
CST3/LCF-SNR
S89
3rd drawer/tandem LCF detection sensor
[E]-2 7-C
CST3-BTM-SNR
S90
3rd drawer bottom sensor
[E]-2 7-B
CST3/LCF-EMP-SNR
S91
3rd drawer/tandem LCF empty sensor
[E]-2 8-C
CST3/LCF-TRY-SNR
S92
3rd drawer/tandem LCF tray-up sensor
[E]-2 8-A
CST3/LCF-TRNS-SNR
S93
3rd drawer/tandem LCF transport sensor
[E]-2 7-B
CST3/LCF-FEED-SNR
S94
3rd drawer/tandem LCF feed sensor
[E]-2 7-B
CST3-SIZE-SNR-1
S95
3rd drawer paper size detection sensor-1
[E]-2 8-A
CST3-SIZE-SNR-2
S96
3rd drawer paper size detection sensor-2
[I] 8-B
CST4-SNR
S97
4th drawer detection sensor
[I] 8-A
CST4-BTM-SNR
S98
4th drawer bottom sensor
[I] 8-A
CST4-EMP-SNR
S99
4th drawer empty sensor
[I] 8-B
CST4-TRY-SNR
S100
4th drawer tray-up sensor
[I] 7-C
CST4-TRNS-SNR
S101
4th drawer transport sensor
[E]-1 5-E
CST4-FEED-SNR
S102
4th drawer feed sensor
[E]-1 5-E
CST4-SIZE-SNR-1
S103
4th drawer paper size detection sensor-1
[F] 7-E
CST4-SIZE-SNR-2
S104
4th drawer paper size detection sensor-2
[G] 6-C
TLCF-STTBY
S106
Standby side tray paper amount detection sensor
[D]-1 6-B
TLCF-BTM-SNR
S107
Tandem LCF bottom sensor
[D]-1 6-B
TLCF-STBY-TRY-SNR
S108
Standby side tray detection sensor
[G] 6-C
TLCF-STTBY
S109
Standby side empty sensor
[G] 8-D TLCF-STPR-SNR-R
S110
Stopper opening/closing detection sensor (front)
[G] 7-G TLCF-STPR-SNR-F
S111
Stopper opening/closing detection sensor (rear)
[C] 6-G TLCF-HOME-SNR
S112
End fence home position sensor
[C] 6-G TLCF-STP-SNR
S113
End fence stop position sensor
[C] 7-G FEED-COV-SNR
S114
Feed cover sensor
[C] 6-G
Switches
[C] 6-F Symbol Name
SWR1 JAM COVER-SW
[C] 7-H
Jam access cover opening/closing switch
SWR2 DF OPEN-SW
[C] 7-G
RADF opening/closing switch
SW1 Main power switch
[C] 7-G
[C] 7-G SW2 Interlock switch
TNR-MOT-SW
SW3
[J] 7-G
Toner motor interlock switch
SW4 Duplexing unit interlock switch
[D]-1 8-D
REV-PATH-COV-SW
[J] 8-D SW5
Reverse path cover switch
Duplexing unit cover opening/closing detection
SW7
[J] 8-D
switch
SW8 Bridge unit connecting detection switch
[L] 8-E
FRONT-COV-SW
SW9
Front cover opening/closing detection switch
14 - 5
[D]-1 Fuser related section
S59
THMP1
THMO4
S57
CLT1
S55
F6
THM6
SOL1
SOL2
F5
F21
THMO3
S58
THM5
S49
S56
[G] Transfer unit
SOL3
S22
S23
S47
S52
S20
S51
S21
[M]-1 Paper feeding section
S74
M43
S71
SOL8
M12
S70 S80 S79
S69 S88 S87
S72 S95
S96
S98
M44 M45
S104 S103
[R] Damp heater
DH1
THMO1
F33
DH3
F35
F36
F14
Electromagnetic spring clutches
Figure Wire harness
location
Figure Wire harness
Symbol Name
[L] 8-E
PRS-ROL-CLT
CLT1 [D]-1
Pressure roller contact/release clutch
[L] 8-C
CST3-TR-CLT
CLT4 [M]-1
3rd drawer transport clutch
[L] 8-C
CST3-FEED-CLT
CLT5 [M]-1
3rd drawer feed clutch
[M]-2 8-D
CST4-TR-CLT
CLT6 [M]-1
4th drawer transport clutch
[M]-1 8-F
CST4-FEED-CLT
CLT7 [M]-1
4th drawer feed clutch
[M]-2 8-D
Solenoids
Figure Wire harness
[M]-2 8-D
Symbol Name
PICKUP-SOL
[M]-2 8-D
SOLR1 [A]-2
Original pickup solenoid
SOLR2 SB-SOL
[M]-2 8-D
[A]-2
Original reverse solenoid
SOLR3 GATE-SOL
[M]-1 8-F
[A]-2
Original exit solenoid
TRNS-SOL-1
[M]-1 8-F
SOL1 [C]
Transport path switching solenoid-1
TRNS-SOL-2
[M]-2 8-E
SOL2 [C]
Transport path switching solenoid-2
SNR-SHUT-SOL
[M]-1 8-F SOL3 [G]
Image quality shutter solenoid
V0-SHUT-SOL-K
[M]-2 8-E
SOL4 [E]-3
V0 sensor shutter solenoid-K
SFB-SOL
[M]-2 8-E
SOL8 [L]
Bypass pickup solenoid
TLCF-SOL
[M]-2 8-E
SOL9 [N]
Tandem LCF solenoid
TLCF-STPR-SOL-F
[M]-2 8-E
SOL10 [N]
Stopper opening/closing solenoid (front)
TLCF-STPR-SOL-R
[M]-1 8-F
SOL11 [N]
Stopper opening/closing solenoid (rear)
[M]-1 8-G PC boards
Symbol Name Figure
[M]-2 8-F
PWA-D-RADF
RADF [A]-2
RADF control PC board
[M]-1 8-G
PWA-F-CCD
CCD [B]
CCD driving PC board (CCD board)
[M]-2 8-F
PWA-F-SLG
SLG [B]
Scanning section control PC board (SLG board)
[M]-2 8-E
INV
INV [B]
[M]-2 8-E Lamp inverter board
PWA-F-DSP
DSP [S]
Display PC board (DSP board)
[M]-2 8-F
PWA-F-KEY1
KEY1 [S]
Key PC board-1 (KEY-1 board)
[M]-1 8-G
PWA-F-KEY2
KEY2 [S]
[M]-1 8-G Key PC board-2 (KEY-2 board)
P-INV
P-INV [S]
Panel inverter board (P-INV board)
[M]-2 7-F
PWA-F-IMG
IMG [O]
Image processing PC board (IMG board)
[M]-1 8-H
PWA-F-SYS
SYS [O]
[M]-2 7-F System control PC board (SYS board)
PWA-F-LGC
LGC [O]
Logic PC board (LGC board)
[M]-2 7-E
PWA-F-SNS
SNS [H]
H-sync detection PC board (SNS board)
[M]-2 7-E
PWA-F-LDR-Y
LDR-Y [H]
[M]-2 7-F Laser driving PC board-Y (LDR-Y board)
LDR-M PWA-F-LDR-M
[H]
Laser driving PC board-M (LDR-M board)
[M]-1 8-H
PWA-F-LDR-C
LDR-C [H]
Laser driving PC board-C (LDR-C board)
[M]-1 8-H
PWA-F-LDR-K
LDR-K [H]
[N] 8-G Laser driving PC board-K (LDR-K board)
PWA-F-EPU
EPU [E]-3
[N] 8-H EPU PC board (EPU board)
PWA-F-V0
V0S Drum surface potential sensors control PC board [E]-3
[N] 8-F
(V0S board)
PWA-F-PFC
[N] 8-G
PFC [O]
Paper feeding control PC board (PFC board)
[N] 8-H PWA-F-ADU
ADU [J]
ADU control PC board (ADU board)
PWA-F-DRV
[N] 8-H
DRV [C]
DRV PC board
PWA-F-IH
[N] 8-G
IH [D]-2
Heater control PC board (IH board)
[N] 8-G PWA-F-FIL
FIL [O]
Filter PC board (FIL board)
PWA-F-SRAM-S
[K] 7-C
RAM-S [O]
SRAM board <for SYS board>
PWA-F-SRAM-L
RAM-L [O]
SRAM board <for LGC board>
Wire harness
Figure
location
Lamps, coils, and heaters
Figure Wire harness
[A]-1 3-E
Symbol Name
LP-EXPO
[A]-1 3-E
EXP [B]
Exposure lamp
AC ERS-K LP-ERS-K
[K] [E]-3
Wire Harness Discharge LED-K
AC Wire ERS-C LP-ERS-C
[J] [E]-3
Harness
Discharge LED-C
LP-ERS-M
[K] 6-E
ERS-M [E]-3
Discharge LED-M
AC ERS-Y LP-ERS-Y
[J] [E]-3
Wire Harness Discharge LED-Y
PWA-F-LED
[C] 7-F LED [J]
Fuser unit jam releasing LED
[J] 7-E
LAMP Pressure roller heater lamp [D]-2
[K] 7-G
IH-COIL IH coil [D]-2
[K] 6-E
[D]-2 Fuser related section
F8
F9
IH
F15 IH-COIL
M6
S48
LAMP
Center heater lamp,
THM4
Side heater lamp,
Sub heater lamp
S65
(for MJC, MJD)
THMO2
THM3
[H] Laser unit
SNS
M37
M34
F23
M36
M35
LDR-K
M48
LDR-M
M39
F22
M11
S25
M10
S24 LDR-C
S50
M38
LDR-Y
[M]-2 Paper feeding section
M40
M42
S73
S75
M41
S76
S81
CLT4
S77 S83
CLT5
S84
S78
S89
CLT6
S85 S91
CLT7
S92
S86
S97
S93
S99
S82
S94
S100
S90
S101
S102
[S] Control panel
DSP
DH2
KEY1
TCP
KEY2
Figure Wire harness
Symbol Name
location
location
AC
DH1 Scanner damp heater (Left) [R]
Wire Harness
7-E
AC
DH2 Scanner damp heater (Right) [R]
Wire Harness
8-B
AC
DH3 Drum damp heater [R]
Wire Harness
8-B
Thermistors, thermopiles, and thermostats
8-B
Figure Wire harness
Symbol Name
location
8-B
THMS-DRM-K
THM1 [E]-2 8-C
Drum thermistor-K
THMS-DRM-Y
THM2 [E]-2 7-A
Drum thermistor-Y
location
THMS-PR-C
THM3 [D]-1 6-A
Pressure roller center thermistor
2-G
THMS-PR-S
THM4 [D]-1 6-A
Pressure roller side thermistor
2-G
THMS-PR-E
THM5 [D]-1 6-A
Pressure roller edge thermistor
2-G
THMS-FBLT-E
THM6 [D]-1 6-B
Fuser belt edge thermistor
6-F
THMP-FBLT-C
THMP1 [D]-1 6-B
Fuser belt thermopile
6-F
AC
THMO1 Scanner damp heater thermostat [R]
Wire Harness
6-C
AC
THMO2 Pressure roller center thermostat [D]-1
Wire Harness
8-C
AC
THMO3 Pressure roller side thermostat [D]-1
Wire Harness
8-E
AC
THMO4 Fuser belt thermostat [D]-1
Wire Harness
8-F
Transformer
8-G
Wire harness
Symbol Name Figure
location
8-H
PS-HVT1
HVT1 [P] 6-A
High-voltage transformer-1
PS-HVT2
HVT2 [P] 6-B
Wire harness High-voltage transformer-2
location
Others
3-G
Wire harness
Symbol Name Figure
location
2-F
TCP
TCP [S] 1-A
Touch panel
2-E
HDD
HDD [O] 1-G
Hard disk
2-F
PS-ACC
PS [P] 5-G
Switching regulator
1-B
BRK AC
BRK [P]
Breaker Wire Harness
1-B
1-B
1-A
4-D
2-A
5-A
5-E
5-D
5-B
5-D
5-B
7-A
8-A
7-C
8-D
7-G
6-D
4-E
2-A
5-A
location
2-F
6-F
6-E
6-E
6-E
8-H
AC
Wire Harness
AC
Wire Harness