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MX-7500N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 11
DEDC_R
DRUM encoder sensor (C_R)
Light transmission
Detects the drum rotation speed.
DEDK_L
DRUM encoder sensor (K_L)
Light transmission
Detects the drum rotation speed.
DEDK_R
DRUM encoder sensor (K_R)
Light transmission
Detects the drum rotation speed.
DEDM_L
DRUM encoder sensor (M_L)
Light transmission
Detects the drum rotation speed.
DEDM_R
DRUM encoder sensor (M_R)
Light transmission
Detects the drum rotation speed.
DEDY_L
DRUM encoder sensor (Y_L)
Light transmission
Detects the drum rotation speed.
DEDY_R
DRUM encoder sensor (Y_R)
Light transmission
Detects the drum rotation speed.
DHPD_C
Drum phase sensor (C)
Light transmission
Detects rotation and the phase of the OPC drum (C).
DHPD_K
Drum phase sensor (K)
Light transmission
Detects rotation and the phase of the OPC drum (K).
DHPD_M
Drum phase sensor (M)
Light transmission
Detects rotation and the phase of the OPC drum (M).
DHPD_Y
Drum phase sensor (Y)
Light transmission
Detects rotation and the phase of the OPC drum (Y).
DSW_ADU
ADU open/close detector
Light transmission
Detects open/close of the ADU section.
DSW_CS
Transport cover open/close detector
Light transmission
Detects open/close of the transport cover.
DSW_FU
Front door upper open/close detector
Light transmission
Detects open/close of the front door upper.
DSW_RL
Right lower door open/close detector
Light transmission
Detects open/close of the right lower door.
FPFD
Fusing front paper pass detector
Light reflection
Detects paper pass in front of the fusing section.
HLPCD
Fusing pressure detector
Light transmission
Detects the fusing pressure state.
HUD_M/TH_M
Temperature/humidity sensor
Temperature/humidity
sensor
sensor
Detects the temperature and the humidity. (For the process control)
LPPD
LCC transport detector
Light reflection
Detects paper transport from the LCC.
MHPS
Scanner home position sensor
Light transmission
Detects the scanner home position.
MPED
Paper empty detector
(Manual paper feed tray)
(Manual paper feed tray)
Light transmission
Detects paper.
MPFD
Paper feed detector (Manual paper feed)
Light transmission
Detects paper pass in the manual paper feed section.
MPLD1
Paper length detector
(Manual paper feed tray)
(Manual paper feed tray)
Light transmission
Detects the paper length.
MPWD
Paper width sensor
(Manual paper feed tray)
(Manual paper feed tray)
Resistance volume
Detects the paper width.
OCSW
Document size detection trigger sensor
Light transmission
Generates the document size detection trigger signal.
PDFS-R
Double feed sensor (receiving)
Supersonic sensor
Detects paper double feed.
PDFS-T
Double feed sensor (transmitting)
Supersonic sensor
Detects paper double feed.
POD1
Fusing paper exit detector
Light transmission
Detects paper pass in the fusing section.
POD2
Left paper exit detector
Light transmission
Detects paper exit to the left direction.
POD3
Right paper exit detector
Light transmission
Detects paper exit to the left direction.
PPD1
Registration pre-detection
Light reflection
Detects the paper timing before registration.
PPD2
Registration sensor
Light reflection
Detects the paper registration timing.
PRTPD
Paper exit tray paper detector
(Right paper exit tray)
(Right paper exit tray)
Light transmission
Detects paper in the paper exit tray.
PTCCHPD
PTC cleaner home position sensor
Light transmission
Detects the PTC cleaner home position. (PTCHP)
REGS_C/
PCS_C
PCS_C
Image registration/Density sensor (C)
Light reflection
Detects image color shift. Detects the toner patch density.
REGS_F/
PCS_F
PCS_F
Image registration/Density sensor (F)
Light reflection
Detects image color shift. Detects the toner patch density.
REGS_R/
PCS R
PCS R
Image registration/Density sensor (R)
Light reflection
Detects image color shift. Detects the toner patch density.
T1LUD
Paper upper limit detector (Paper feed
tray 1)
tray 1)
Light transmission
Detects the upper limit lift position of paper in the paper feed tray.
T1PED
Paper empty detector (Paper feed tray 1)
Light transmission
Detects paper.
T1PPD1
Paper pass sensor (Paper feed tray 1)
Light reflection
Detects paper pass in the paper transport section of the paper feed tray
1.
1.
T1PPD2
Paper pass sensor (Paper feed tray 1)
Light reflection
Detects paper pass in the paper transport section of the paper feed tray
1.
1.
T1SPD
Paper remaining quantity detector
(Paper feed tray 1)
(Paper feed tray 1)
Light transmission
Detects the paper remaining quantity.
T2LUD
Paper upper limit detector (Paper feed
tray 2)
tray 2)
Light transmission
Detects the upper limit lift position of paper in the paper feed tray.
T2PED
Paper empty detector (Paper feed tray 2)
Light transmission
Detects paper.
T2PPD1
Paper pass sensor (Paper feed tray 2)
Light reflection
Detects paper pass in the paper transport section of the paper feed tray
2.
2.
T2SPD
Paper remaining quantity detector
(Paper feed tray 2)
(Paper feed tray 2)
Light transmission
Detects the paper remaining quantity.
TCS_C
Toner density sensor (C)
Magnetic sensor
Detects toner supply from the toner cartridge. Detects the toner density
(C).
(C).
TCS_K
Toner density sensor (K)
Magnetic sensor
Detects toner supply from the toner cartridge. Detects the toner density
(K).
(K).
TCS_M
Toner density sensor (M)
Magnetic sensor
Detects toner supply from the toner cartridge. Detects the toner density
(M).
(M).
TCS_Y
Toner density sensor (Y)
Magnetic sensor
Detects toner supply from the toner cartridge. Detects the toner density
(Y).
(Y).
TFD2
Paper exit full detector (Center paper exit
tray)
tray)
Light transmission
Detects paper full in the center paper exit tray.
TFD3
Paper exit full detector (Right paper exit
tray)
tray)
Light transmission
Detects paper full in the right paper exit tray.
Signal name
Name
Type
Function/Operation
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