Sharp AR-M550N - Switch

: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 10
B. Switch
SOCD SOCD SPF open/close detector SPF unit open/close detection Transmission
type
Close SCN PWB 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
PCU PWB 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
PCU PWB 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 PCU PWB Paper feed tray
system sensor
TCS TCS Toner density sensor Toner density detection Magnetic
sensor
- - PCU PWB Analog detector
TFSD TFSD Toner remaining quantity
sensor
Toner hopper toner remaining
quantity detection
Magnetic
sensor
Remaining
quantity great
Remaining
quantity small
PCU PWB Other sensor,
switch
TH TH LCD thermistor LCD section temperature
detection
Thermistor - - SCN PWB Other detector
TH-CL TH-CL OPC drum temperature sensor OPC drum peripheral temperature
detection
Thermistor - - PCU PWB Analog detector
TH-DV TH-DV
Developing humidity sensor Developing section humidity
detection
Thermistor/
humidity
- - PCU PWB Analog detector
TH-EX TH-EX Paper exit unit temperature
sensor
Paper exit unit peripheral
temperature detection (Cooling
fan operation monitor)
Thermistor - - PCU PWB Analog detector
TH-RA TH-RA
Room temperature sensor Room temperature detection Thermistor - - PCU PWB Analog detector
(Not used)
THPS2 THPS2 Transfer belt contact/separation
home position sensor 2
Transfer belt separation home
position detection 2
Transmission
type
- Contact PCU PWB Not used.
TLS TLS Waste toner pipe lock detector Waste toner pipe lock detection Lead type - Lock (Tilt) PCU PWB Other sensor,
switch
TNCA TNCA Waste toner full detection signal Waste toner full detection Magnetic
sensor
- - PCU PWB Not used.
Code
Signal
name
Name Type Function/Operation MODEL
Active
condition
NOTE
DSW-F DSW-F Front door open/close
switch
Micro switch Front door open/close detection, Main charger
power source, Developing bias power line open/
close
DSW-L DSW-L Left door open/close
switch
Micro switch Left door open/close detection, Main charger
power source, Developing bias power line open/
close
DSW-R DSW-R Manual paper feed
unit open/close switch
Micro switch Manual paper feed unit open/close detection,
Main charger power source, Developing bias
power line open/close
MPSW Main power switch Seesaw switch Turns ON/OFF all the power sources.
MSW Power switch Seesaw switch Turns ON/OFF the main DC power source.
(Turns ON/OFF the engine power source except
for the sub DC power source.)
Shut-off
solenoid
built-in
WH-SW WH-SW Dry heater switch Seesaw switch Turns ON/OFF the power line of the dry heater.
Code
Signal
name
Name Function/Operation Type
Connector level
PWB name Note
"L" "H"
1
1
1
1
WH-SW
DSW-L
MPSW
DSW-F
MSW
DSW-R