MX-M700N  ELECTRICAL SECTION  11 – 22
M2SPD Paper remaining quantity 
detection (Paper feed tray 4) 
signal
Paper remaining quantity detection 
(Paper feed tray 4)
— Remaining 
paper 
quantity 
66% or less
15 32 PCU
M2SS1 Paper size detection signal 
(Paper feed tray 4)
Paper size detection 
(Paper feed tray 4)
— — 15 22 PCU Refer to 
the 
separate 
table (*1)
M2SS2 Paper size detection signal 
(Paper feed tray 4)
Paper size detection 
(Paper feed tray 4)
— — 15 24 PCU
M2SS3 Paper size detection signal 
(Paper feed tray 4)
Paper size detection 
(Paper feed tray 4)
— — 15 26 PCU
M2SS4 Paper size detection signal 
(Paper feed tray 4)
Paper size detection 
(Paper feed tray 4)
— — 15 28 PCU
MFPUS Paper pickup solenoid (MFP) 
control signal 
(Manual paper feed)
Paper pickup solenoid (MPF) 
control (Manual paper feed)
Paper feed 
with the 
roller down
—137PCU
MHPS Scanner home position 
sensor signal
Scanner home position detection — Home 
position
61SCN
MHVREM Main charger control signal Main charger ON/OFF ON OFF 15 6 PCU
MHV-T Main charger trouble 
detection signal
Main charger trouble detection Trouble, 
no MHV
Normal 15 7 PCU
MIMA Scanner motor control signal 
(Phase A)
Scanner motor control (Phase A) — — 7 1 SCN
MIMB Scanner motor control signal 
(Phase B)
Scanner motor control (Phase B) — — 7 2 SCN
MM Main motor control signal Main motor ON/OFF control ON OFF 17 14 PCU
MMCLK Main motor rotating speed 
control (CLK) signal
Main motor RPM control — — 17 16 PCU
MM-T Main motor lock detection 
signal
Main motor lock detection Rotation Stop/Lock 17 18 PCU
MPED Manual feed paper empty 
detection signal
Manual paper feed tray paper 
empty detection
Paper 
present
Paper empty 13 11 PCU
MPFC Paper feed clutch control 
signal (Manual feed)
Manual feed tray paper feed roller 
control
Paper feed — 13 20 PCU
MPFD1 Manual feed paper pass 
detection signal 1
Manual tray paper pass detection — Paper pass 13 21 PCU
MPFD2 Manual feed paper pass 
detection signal 2
Manual tray and LCC paper pass 
detection
Paper pass — 18 6 PCU
MPFGS Manual feed gate solenoid 
control signal
Manual feed gate control Paper pass 
enable
Stopper 13 17 PCU
MPFPWS Manual feed paper width 
detection signal
Manual feed paper width detection — — 13 16 PCU
MPLD1 Manual feed paper length 
detection signal 1
Manual paper feed tray paper 
length detection (Short)
— Paper 
present
13 6 PCU
MPLD2 Manual feed paper length 
detection signal 1
Manual paper feed tray paper 
length detection (Long)
— Paper 
present
13 10 PCU
MPRD1 Paper feed tray 2 paper pass 
detection signal 1
Manual feed/paper feed tray 2/
LCC paper pass detection
Paper pass — 12 23 PCU
MPRD2 Paper feed tray 2 paper pass 
detection signal 2
Manual feed/paper feed tray 2/
LCC paper pass detection
Paper pass — 12 29 PCU
MSWMON MSW monitor signal Main switch monitor — — 19 23 PCU
MSWOFF MSW OFF signal Main switch OFF signal — — 9 5 PCU
MSWPR Main switch power relay 
control signal
Main switch power relay control Relay ON  Relay OFF 2 15 PCU
MTOP1 Manual tray pull-out position 
detection signal 1
Manual paper feed tray pull-out 
position detection (Storing position)
Store — 13 12 PCU
MTOP2 Manual tray pull-out position 
detection signal 2
Manual paper feed tray pull-out 
position detection (Pull-out position)
Pull out — 13 14 PCU
OCSW DSPF open/close detection 
signal
Document size detection trigger Close — 3 3 SCN
PAGE Page signal Print timing control for controller 
(Output for every page)
——914PCU
PAGE1 Image effective area signal 
(CCD)
Indicates image data area of one 
page. (CCD)
——168SCN
PAGE2 Image effective area signal 
(CIS)
Indicates image data area of one 
page. (CIS)
— — 10 12 SCN
PCS Image density sensor signal Detection of density of toner patch 
on the OPC drum
——83PCU
PCS-LED Image density sensor LED 
current control signal
Image density sensor LED light 
emitting quantity control
——81PCU
PCU_DSR Serial communication control 
signal
Send control signal 
(Serial communication)
——913PCU
PCU_DTR Serial communication control 
signal
Receive control signal 
(Serial communication)
——910PCU
Signal name Name Function/Operation
Connector level Connector
No.
Pin
No.
PWB
name
Remark
“L” “H”