Sharp MX-M550U

MX-M700N ELECTRICAL SECTION 11 – 25
STLD DSPF document tray lower
limit detection signal
DSPF document tray lower limit
detection
Lower limit 11 15 SCN
STMPS Stamp solenoid control signal Stamp solenoid control Stamp ON 1 48 SCN
STRBC DSPF paper transport clutch
control signal
DSPF paper transport roller brake
clutch control
ON 11 9 SCN
STRC DSPF paper transport clutch
control signal
DSPF paper transport clutch
control
ON 11 8 SCN
STRRBC DSPF paper transport resist
brake clutch control signal
DSPF paper transport resist brake
clutch control
ON 12 20 SCN
STRRC DSPF paper transport resist
clutch control signal
DSPF paper transport resist clutch
control
ON 12 19 SCN
STSET Stamp identification signal Stamp Yes/No detection Stamp
available
147SCN
STUD DSPF document tray upper
limit detection signal
DSPF document tray upper limit
detection
Upper limit 12 14 SCN
SYNC LSU horizontal sync detection
signal
LSU horizontal sync detection
(BD sensor signal)
— — 22 29 PCU
T1LUD Paper feed tray upper limit
detection signal
(Paper feed tray 1)
Paper feed tray upper limit
(Paper feed tray 1)
Upper limit — 14 13 PCU
T1LUM Paper tray lift-up motor control
signal (Paper feed tray 1)
Paper tray lift-up control
(Paper feed tray 1)
Stop Up 14 1 PCU
T1PED Paper empty detection signal
(Paper feed tray 1)
Paper presence detection
(Paper feed tray 1)
Paper
empty
Paper
present
14 15 PCU
T1PFC Paper feed clutch control
signal (Paper feed tray 1)
Paper feed clutch control
(Paper feed tray 1)
Paper
transport
—174PCU
T1PPD Paper pass detection signal
(Paper feed tray 1)
Paper pass detection from paper
feed tray 1
Paper pass — 25 3 PCU
T1PUS Paper pick-up solenoid control
signal (Paper feed tray 1)
Paper pickup solenoid control
(Paper feed tray 1)
Roller UP Paper feed 14 7 PCU
T1SPD Paper remaining quantity
detection signal
(Paper feed tray 1)
Paper remaining quantity detection
(Paper feed tray 1)
— Remaining
paper
quantity
66% or less
14 16 PCU
T2LUD Paper tray upper limit
detection signal
(Paper feed tray 2)
Paper tray upper limit detection
(Paper feed tray 2)
Upper limit — 14 21 PCU
T2LUM Paper tray lift-up motor control
signal (Paper feed tray 2)
Paper tray lift-up motor control
(Paper feed tray 2)
Stop Up 14 2 PCU
T2PED Paper empty detection signal
(Paper feed tray 2)
Paper presence detection
(Paper feed tray 2)
Paper
empty
Paper
present
14 23 PCU
T2PFC Paper clutch control signal
(Paper feed tray 2)
Paper feed clutch control
(Paper feed tray 2)
Paper
transport
—123PCU
T2PUS Paper pickup solenoid control
signal (Paper feed tray 2)
Paper pickup solenoid control
(Paper feed tray 2)
The roller
lifts up.
Paper feed 14 8 PCU
T2SPD Paper remaining quantity
detection signal
(Paper feed tray 2)
Paper remaining quantity detection
(Paper feed tray 2)
— Remaining
paper
quantity
66% or less
14 22 PCU
TANSET Paper feed tray 1/2
(Tandem tray) detection signal
Paper feed tray 1, 2
(Tandem tray) insertion detection
Pull out Insert 17 25 PCU
TCBIAS Transfer belt cleaning output
control signal (ON/OFF)
Transfer belt cleaning bias ON/
OFF control
ON OFF 7 22 PCU
TCBPWM Transfer belt cleaning output
control signal (PWM)
Transfer belt cleaning bias output
voltage PWM control
——718PCU
TCS Toner density detection signal Toner density detection — — 12 16 PCU
TFSD Toner remaining quantity
detection signal
Toner hopper remaining quantity
detection
Remaining
quantity
large
Remaining
quantity
small
11 11 PCU
TH LCD temperature sensor
signal
LCD temperature detection — — 1 93 SCN
TH-CL OPC drum cleaner
temperature sensor signal
OPC drum cleaner peripheral
temperature detection
——812PCU
TH-DV Developing humidity detection
signal
Developing section humidity
detection
— — 12 30 PCU
TH-EX Paper exit unit temperature
sensor
Paper exit unit peripheral
temperature detection
——531PCU
THPS1 Transfer belt contact/
separation home position
sensor 1
Transfer belt separation home
position detection 1
— Contact 7 6 PCU Not used.
THPS2 Transfer belt contact/
separation home position
sensor 2
Transfer belt separation home
position detection 2
—Contact714PCU
Signal name Name Function/Operation
Connector level Connector
No.
Pin
No.
PWB
name
Remark
“L” “H”