Lexmark 11C0200 Service Manual - Page 132

Switches and Sensors Name S1 S2 S3 S4 Power Switch Interlock Switch 1 Interlock Switch 2 Thermostat 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 box detected: L CN10A-3 paper present: L CN10A-6 Unit detected: L Detects if the waste bottle is installed. S5 P/H Shutter Switch S6 Waste Bottle Detecting Switch Paper Synchronizi ng Sensor/ Timing Roll Image Transfer Roller Position Sensor Oil Coating Roller Detecting Sensor Rack Home Position Sensor PC1 Detect if a sheet of paper has been fed to the timing roller. (Functions as a jam sensor.) Detects the position of the image transfer belt roller assembly. Detects when the image transfer roller is pressed against the image transfer belt.: L PC2 PC3 CN11A-3 unit detected: H CN11A-6 home position detected: H Detects if the oil roller assembly has been attached to the fuser. PC4 Detects if the toner cartridge rack is at the home position. Locations 4-7