Lexmark Optra C710 Service Manual page 261

5016-001
Symbol Name
S1 Power Switch
S2 Interlock Switch
S3 5 V dc Interlock
Switch 1
S4 5 V dc Interlock
Switch 2
TS Thermostat
OL1 New Oil Roller
Sensor
TH1 Thermistor
PHI1 Paper Exit Sensor
PHI2 Carriage Position
Sensor
PHI3 Coupling On Sensor
PHI4 Coupling Off Sensor
PHI5 Bypass Paper
Detecting Sensor
PHI6 Cam Sensor
SW700 Paper Size detect
switch
SW701 Paper Size Detect
Switch
SW702 Tray Missing Detect
Switch
PQ250 OHP Detect Sensor
PQ300 Toner Empty Sensor Detects a near empty toner cartridge.
Function
On/Off AC power switch - turns printer on/off.
Shuts down the +24 V dc LVPS whenever
the fuser, front or top covers open.
Shuts down the +5 V dc LVPS supply to the
printhead, whenever the fuser, front or top
covers open.
Shuts down the +5 V dc LVPS supply to the
printhead, whenever the fuser, front or top
covers open. (double interlock)
The thermostat shuts down AC voltage to the
fuser lamp should the fuser temperature
become abnormally high.
Detects when a new oil roller is installed.
Detects and regulates the temperature of the
hot roll in the fuser.
Detects when paper exits the fuser and is fed
to the exit tray.
Detects when the carriage reaches home
position.
Detects when the coupling is on.
Detects when the coupling is off.
Detects when paper is fed from the bypass
multipurpose tray.
Detects the cam position.
Detects paper size.
Detects paper size.
Detects when tray 1 is not installed.
Detects when the OHP is fed to the
registration roller.
Connector Locations
5-11