MX-M700N  EXTERNAL VIEW AND INTERNAL STRUCTURE  5 – 10
M2SS3 M2SS3 Paper size detector  
(Paper feed tray 4)
Paper size detection by combination 
of ON/OFF of MISS 1 – 4
Contact 
switch
Multi paper feed 
tray vertical size 
detection (Refer to 
the separate table 
in the “[11] SIGNAL 
NAME LIST” (*1).)
M2SS4 M2SS4 Paper size detector  
(Paper feed tray 4)
Paper size detection by combination 
of ON/OFF of MISS 1 – 4
Contact 
switch
Multi paper feed 
tray vertical size 
detection (Refer to 
the separate table 
in the “[11] SIGNAL 
NAME LIST” (*1).)
MHPS MHPS Scanner home position 
sensor detector
Scanner home position detection Transmission 
type
Home 
position
Sensor
OCSW OCSW DSPF open/close detector Trigger for document size detection. Transmission 
type
Close Sensor
PCS PCS Image density sensor Detection of density of toner patch on 
the OPC drum
Reflection 
type
– – Analog detector
PDSELX PDSELX Document size sensor  
(Light reception) (PT)
Document size detection Photo 
transistor
– – Other detector
RTH1 RTH1 Heat roller temperature 
sensor (Center section)
Heat roller temperature detection 
(Center section)
Thermistor – – Analog detector
RTH2 RTH2 Heat roller temperature 
sensor (Edge section)
Heat roller temperature detection 
(Edge section)
Thermistor – – Analog detector
RTH3 RTH3 Sub heat roller 
temperature sensor
Sub heat roller temperature detection Thermistor – – Analog detector
SCOV SCOV DSPF cover switch DSPF cover open/close detection Transmission 
type
Close Sensor
SOCD SOCD DSPF open/close detector DSPF open/close detector Transmission 
type
Close Sensor
T1SPD T1SPD Paper remaining quantity 
detector (Paper feed tray 1)
Paper remaining quantity detection 
(Paper feed tray 1)
Transmission 
type
– Remaining 
paper 
quantity 
50% or less
Paper feed tray 
remaining quantity 
sensor
T2SPD T2SPD Paper remaining quantity 
detector (Paper feed tray 2)
Paper remaining quantity detection  
(Paper feed tray 2)
Transmission 
type
– Remaining 
paper 
quantity 
33% or less
Paper feed tray 
remaining quantity 
sensor
TANSET TANSET Paper feed tray 1/2 
detection signal
Paper feed tray 1, 2 (Tandem tray) 
insertion detection
Transmission 
type
Pull-out Insertion Paper feed tray 
system sensor
TCS TCS Toner density sensor Toner density detection Magnetic 
sensor
– – Analog detector
TFSD TFSD Toner remaining quantity 
sensor
Toner hopper toner remaining 
quantity detection
Magnetic 
sensor
Remaining 
quantity 
great
Remaining 
quantity 
small
Other sensor, 
switch
TH-CL TH-CL OPC drum temperature 
sensor
OPC drum peripheral temperature 
detection
Thermistor – – Analog detector
TH-DV TH-DV Developing humidity 
sensor
Developing section humidity detection Thermistor/
humidity
– – Analog detector
TH-EX TH-EX Paper exit unit 
temperature sensor
Paper exit unit peripheral temperature 
detection  
(Cooling fan operation monitor)
Thermistor – – Analog detector
TH-RA TH-RA Room temperature sensor Room temperature detection Thermistor – – Analog 
detector(Not used)
THPS2 THPS2 Transfer belt contact/
separation home position 
sensor 2
Transfer belt separation home 
position detection 2
Transmission 
type
– Contact Other sensor, 
switch
TLS TLS Waste toner pipe lock 
detector
Waste toner pipe lock detection Lead type – Lock (Tilt) Other sensor, 
switch
TNCA TNCA Waste toner full detection 
signal
Waste toner full detection Magnetic 
sensor
Not used.
WEBEND WEBEND WEB end sensor Detects the WEB paper end 
(replacement)
Transmission 
type
–End 
detection
Code
Signal 
name
Name Function/Operation Type
Connector level
NOTE
“L” “H”