10-2
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
[A]
3-H
M2
TNR-MOT-Y
Toner motor-Y
[B]
5-A
M3
TNR-MOT-M
Toner motor-M
[B]
5-B
M4
TNR-MOT-C
Toner motor-C
[B]
5-B
M5
TNR-MOT-K
Toner motor-K
[B]
5-B
M6
USD-TNR-MOT
Waste toner paddle motor
[B]
6-C
M7
TBU-MOT
Transfer belt motor
[C]
6-B / 7-B
M8
TR1-CAM-MOT
1st transfer roller cam motor
[C]
7-D
M9
DEV-MOT
Developer unit motor
[D]
7-D
M10
DRM-MOT
Drum motor
[D]
6-B / 7-B
M11
DRM-SW-MOT
Drum switching motor
[D]
7-D
M12
SHUT-MOT
Shutter motor
[D]
6-D
M13
POL-MOT
Polygonal motor
[E]
5-C
M14
MIR-MOT-M
Mirror motor-M
[E]
5-B
M15
MIR-MOT-C
Mirror motor-C
[E]
5-C
M16
MIR-MOT-K
Mirror motor-K
[E]
5-D
M17
FUS-MOT
Fuser motor
[F]
6-D
M18
EXIT-MOT
Exit motor
[F]
6-A / 7-A
M19
RGST-MOT
Registration motor
[G]
6-B / 7-B
M20
FEED/TRNS-MOT
Feed/transport motor
[H]
7-E
M21
CST-TRY-MOT
Tray-up motor
[H]
8-E
M22
ADU-MOT
ADU motor
[I]
8-A
M23
INTRNL-FAN-MOT
Internal cooling fan
[B]
6-G
M24
OZN-FAN-MOT
Ozone exhaust fan
[D]
7-C
M25
FUS/EXIT-FAN-MOT
Fuser/exit section cooling fan
[F]
6-F
M26
SYS-FAN-MOT
SYS board cooling fan
[J]
2-G
M27
PS-FAN-MOT-1
Switching regulator cooling fan-1
[J]
2-H
M28
PS-FAN-MOT-2
Switching regulator cooling fan-2
[J]
2-H
M29
LSU-FAN-MOT
Laser unit cooling fan
[E]
7-C
M30
SCAN-FAN-MOT
Scanner unit cooling fan
[A]
3-H
M31
UT-CARRY-MOT
Waste toner transport motor
[B]
7-C
M32
FANFRONT
Exposure lamp cooling fan
[B]
3-E
M33
EPU-FAN
EPU cooling fan
[D]
6-G
Symbol
Name
Figure
Wire harness
location
S1-5
APS1-3, APS-C, APS-R
Automatic original detection sensor
* S1: only for A4 series models
[A]
3-E
3-F
S6
HOME-SNR
Carriage home position sensor
[A]
3-E
S7
PLTN-SNR
Platen sensor
[A]
3-E
S8
TNR-SNR-Y
Toner cartridge detection sensor-Y
[B]
5-B
S9
TNR-SNR-M
Toner cartridge detection sensor-M
[B]
5-B
S10
TNR-SNR-C
Toner cartridge detection sensor-C
[B]
5-B
S11
TNR-SNR-K
Toner cartridge detection sensor-K
[B]
5-B
S12
TEMP/HUMI-SNR
Temperature/humidity sensor
[B]
7-C
S13
USD-TNR-FLL-SNR
Waste toner box full detection sensor
[B]
6-C
S14
USD-TNR-LCK-SNR
Waste toner paddle motor lock detection
sensor
[B]
6-C
S15
TR1-SNR
1st transfer roller status detection sensor
[C]
7-D
S16
IMG-POS-SNR-F
Image position aligning sensor (Front)
[C]
7-B
S17
IMG-POS-SNR-R
Image position aligning sensor (Rear)
[C]
7-B
S18
TNR-LVL-SNR
Image quality sensor
[C]
7-A
S19
DRM-SW-SNR
Drum switching detection sensor
[D]
7-E
S20
SHUT-SNR
Shutter status detection sensor
[D]
6-D
S21
CH-CLN-SNR
Needle electrode cleaner detection sensor
[D]
6-C
S22
ATTNR-SNR-Y
Auto-toner sensor-Y
[D]
7-F
S23
ATTNR-SNR-M
Auto-toner sensor-M
[D]
7-F
S24
ATTNR-SNR-C
Auto-toner sensor-C
[D]
7-G
S25
ATTNR-SNR-K
Auto-toner sensor-K
[D]
7-F
S26
EXIT-SNR
Exit sensor
[F]
7-H
S27
CLNG-SNR
Paper clinging detection sensor
[G]
7-B
S28
RGST-SNR
Registration sensor
[G]
7-B
S29
TR2-SNR
2nd transfer roller position detection sensor
[G]
7-B
S30
CST1-FEED-SNR
1st drawer feed sensor
[H]
7-C
S31
CST1-TRY-SNR
1st drawer tray-up sensor
[H]
8-C
S32
CST1-EMP-SNR
1st drawer empty sensor
[H]
8-C
S33
CST1-NEMP-SNR
1st drawer paper stock sensor
[H]
8-D
S34
CST2-FEED-SNR
2nd drawer feed sensor
[H]
8-E
S35
CST2-TRY-SNR
2nd drawer tray-up sensor
[H]
8-D
S36
CST2-EMP-SNR
2nd drawer empty sensor
[H]
8-D
S37
CST2-NEMP-SNR
2nd drawer paper stock sensor
[H]
8-E
S38
ADU-U-SNR
ADU entrance sensor
[I]
8-A
S39
ADU-L-SNR
ADU exit sensor
[I]
8-A
S40
SFB-SNR
Bypass paper sensor
[I]
8-B
S41
SFB-FEED-SNR
Bypass feed sensor
[I]
8-C
S42
TNTRLK
Auger lock detection sensor
[B]
6-D
S43
DRM-SNR
Color drum phase sensor
[D]
7-E
S44
DRM-SNR2
K drum phase sensor
[D]
7-E
SW1
MAIN-SW
Main switch
[A]
AC Wire Harness
SW2
COV-INTLCK-SW
Cover interlock switch
[G]
AC Wire Harness
SW3
TR-COV-SW
Transfer cover switch
[G]
8-C
SW4
SIDE-COV-SW
Side cover switch
[H]
8-E
SW5
CST1-SW
1st drawer detection switch
[H]
8-D
SW6
CST2-SW
2nd drawer detection switch
[H]
8-D
SW7
ADU-SET-SW
ADU opening/closing switch
[I]
8-B
SW8
UTN-COVER
Waste toner cover open/close detection switch
[B]
6-C
Symbol
Name
Figure
Wire harness
location
CLT1
CST1-TR-H-CLT
1st drawer transport clutch (High speed)
[H]
7-C
CLT2
CST1-TR-L-CLT
1st drawer transport clutch (Low speed)
[H]
7-C
CLT3
CST1-FEED-CLT
1st drawer feed clutch
[H]
8-C
CLT4
CST2-TR-L-CLT
2nd drawer transport clutch (Low speed)
[H]
8-D
CLT5
CST2-TR-H-CLT
2nd drawer transport clutch (High speed)
[H]
8-D
CLT6
CST2-FEED-CLT
2nd drawer feed clutch
[H]
8-D
CLT7
ADU-CLT
ADU clutch
[I]
8-B
CLT8
SFB-FEED-CLT
Bypass feed clutch
[I]
8-B
Symbol
Name
Figure
Wire harness
location
SOL1
SFB-SOL
Bypass pickup solenoid
[I]
8-B
SOL2
SNR-SHUT-SOL
Sensor shutter solenoid
[C]
7-B
Symbol
Name
Figure
Wire harness
location
Symbol
Name
Figure
Wire harness
location
CCD
PWA-F-CCD
CCD driving PC board (CCD board)
[A]
4-F
SLG
PWA-F-SLG
Scanning section control PC board (SLG board)
[A]
4-G
INV
INV
Lamp inverter board
[A]
3-H
DSP
PWA-F-DSP
Display PC board (DSP board)
[A]
1-B
KEY
PWA-F-KEY
Key PC board (KEY board)
[A]
1-C
P-INV
P-INV
Panel inverter board
[A]
1-A
LDR-Y
PWA-F-LDR-Y
Laser driving PC board-Y (LDR-Y board)
[E]
5-E
LDR-M
PWA-F-LDR-M
Laser driving PC board-M (LDR-M board)
[E]
5-D
LDR-C
PWA-F-LDR-C
Laser driving PC board-C (LDR-C board)
[E]
5-E
LDR-K
PWA-F-LDR-K
Laser driving PC board-K (LDR-K board)
[E]
5-D
SNS
PWA-F-SNS
H-sync detection PC board (SNS board)
[E]
5-D
ADU
PWA-F-ADU
ADU control PC board (ADU board)
[I]
8-A
SFB
PWA-F-SFB
Paper width detection PC board (SFB board)
[I]
8-B
SYS
PWA-F-SYS
System control PC board (SYS board)
[J]
3-A
LGC
PWA-F-LGC
Logic PC board (LGC board)
[J]
6-A
IMG
PWA-F-IMG
Image processing PC board (IMG board)
[J]
4-D
FIL
PWA-F-FIL
Filter PC board (FIL board)
[J]
3-G
RAM-S
PWA-F-SRAM-S
SRAM board <for SYS board>
[J]
3-A
RAM-L
PWA-F-SRAM-L
SRAM board <for LGC board>
[J]
5-A
Symbol
Name
Figure
Wire harness
location
EXP
LP-EXPO
Exposure lamp
[A]
3-H
ERS-Y
LP-ERS-Y
Discharge LED-Y
[D]
5-B
ERS-M
LP-ERS-M
Discharge LED-M
[D]
5-B
ERS-C
LP-ERS-C
Discharge LED-C
[D]
5-B
ERS-K
LP-ERS-K
Discharge LED-K
[D]
5-B
LAMP1
LP-HTR-C
Center heater lamp
[F]
AC Wire Harness
LAMP2
LP-HTR-S
Side heater lamp
[F]
AC Wire Harness
LAMP3
LP-PR
Pressure roller lamp
[F]
AC Wire Harness
LAMP4
LAMP-TRIPLE
Sub heater lamp
[F]
AC Wire Harness
DH1
SCN-DH-L
Scanner damp heater (Left)
[K]
AC Wire Harness
DH2
SCN-DH-R
Scanner damp heater (Right)
[K]
AC Wire Harness
DH3
DRM-DH-L
Drum damp heater (Left)
[K]
AC Wire Harness
DH4
DRM-DH-R
Drum damp heater (Right)
[K]
AC Wire Harness
DH5
CST-DH-R
Drawer damp heater
* Only for JPD models
[K]
AC Wire Harness
Symbol
Name
Figure
Wire harness
location
THM1
THMS-DRM-Y
Drum thermistor-Y
[D]
7-F
THM2
THMS-DRM-K
Drum thermistor-K
[D]
7-F
THM3
THMS-FBLT-F
Fuser belt front thermistor
[F]
6-F / 6-H / 7-H
AC WIre harness
THM4
THMS-PR-C
Pressure roller center thermistor
[F]
6-F / 6-G / 7-G
AC WIre harness
THM5
THMS-PR-R
Pressure roller rear thermistor
[F]
6-E / 6-G / 7-G
AC WIre harness
THMP1
THMP-FBLT-C
Fuser belt center thermopile
[F]
6-F / 6-G / 7-G
AC WIre harness
THMP2
THMP-FBLT-R
Fuser belt rear thermopile
[F]
6-F / 6-H / 7-H
AC WIre harness
THMO1
THERMO-FBLT-C
Fuser belt center thermostat
[F]
AC WIre harness
THMO2
THERMO-FBLT-S
Fuser belt rear thermostat
[F]
AC WIre harness
THMO3
THERMO-PR
Pressure roller thermostat
[F]
AC WIre harness
THMO4
THERMO-SCN-DH
Scanner damp heater thermostat
[K]
AC WIre harness
THMO5
THERMO-DRM-DH-L
Drum damp heater thermostat (Left)
[K]
AC WIre harness
THMO6
THERMO-DRM-DH-R
Drum damp heater thermostat (Right)
[K]
AC WIre harness
Symbol
Name
Figure
Wire harness
location
HVT
PS-HVT
High-voltage transformer
[J]
8-G
Symbol
Name
Figure
Wire harness
location
TCP
TCP
Touch panel
[A]
1-B
FS1
FUSE-FUS
Fuser unit fuse
[F]
6-F
HDD
HDD
Hard disk
[J]
3-E
PS
PS-ACC
Switching regulator
[J]
4-H
BRK
BRK
Breaker
[J]
AC WIre harness
[A] Scanner unit, control panel
[B] Toner cartridge, waste toner box
[C] Transfer belt unit
[D] Developer unit
SLG
CCD
S5
S4
S3
S1
S2
M1
M30
S7
EXP
M32
INV
S6
SW1
KEY
TCP
P-INV
DSP
S3
S2
S4
S5
LT series models
M23
S12
S14
M6
M31
S13
S42
SW8
Y: M2
M: M3
C: M4
K: M5
Y: S8
M: S9
C: S10
K: S11
Y
M
C
K
M7
S17
M8
SOL2
S18
S16
S15
M12
S20
S21
THM2
M11
S19
S44
S43
M10
M9
M24
M33
THM1
Y
M
C
K
Y: ERS-Y
M: ERS-M
C: ERS-C
K: ERS-K
Y: S22
M: S23
C: S24
K: S25
[E] Laser unit
[F] Fuser unit
[G] Transfer unit
[H] Paper feeding unit
M14
M13
LDR-Y
LDR-C
LDR-K
M29
LDR-M
M15
M16
SNS
M17
THMO2
THMP2
THMO1
THMP1
THM3
LAMP3
LAMP1
LAMP2
LAMP4
M18
M25
S26
THM5
THMO3
THM4
SW2
M19
SW3
S27
S28
S29
M20
S33
SW5
M21
S37
SW6
CLT1
CLT2
CLT3
CLT4
S30
SW4
S34
S31
S32
S35
S36
CLT5
CLT6
[I] Automatic duplexing unit, bypass feed unit
[J] PC board, power supply
[K] Damp heater
S38
S39
SFB
SOL1
CLT8
S40
S41
ADU
CLT7
M22
SW7
LGC
RAM-L
PS
IMG
SYS
RAM-S
HDD
HVT
BRK1
FIL
M27
M26
M28
DH2
THMO6
DH4
DH1
THMO5
DH3
DH5
THMO4
10.2 Electric Parts Layout