Switches And Sensors - Lexmark Optra SC 1275 Service Manual

Switches and Sensors

Name
S1 Power
Switch
S2 Interlock
Switch 1
S3 Interlock
Switch 2
S4 Thermostat
S5 P/H Shutter
Switch
S6 Waste Bottle
Detecting
Switch
PC1 Paper
Synchronizi
ng Sensor/
Timing Roll
PC2 Image
Transfer
Roller
Position
Sensor
PC3 Oil Coating
Roller
Detecting
Sensor
PC4 Rack Home
Position
Sensor
Connector Function
Turns the printer on or off
Detects the opening and closing of
front cover.
Detects the opening and closing of the
rear cover.
When the fuser temperature runs
abnormally high, shuts down power to
the heating lamp (H1).
When the front cover closes, it detects
if the image transfer belt assembly is
installed. If the image transfer belt has
not been installed, it shuts down
power to the laser diode.
CN20A-4 Detects if the waste bottle is installed.
box
detected: L
CN10A-3 Detect if a sheet of paper has been
paper fed to the timing roller. (Functions as a
present: L jam sensor.)
CN10A-6 Detects the position of the image
Unit transfer belt roller assembly.
detected: L
Detects when the image transfer roller
is pressed against the image transfer
belt.: L
CN11A-3 Detects if the oil roller assembly has
unit been attached to the fuser.
detected: H
CN11A-6 Detects if the toner cartridge rack is at
home the home position.
position
detected: H
4-7
Locations