Brother International HL-2600CN Service Manual - Page 83

(4) Sensors No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17-1 17-2 17-3 No. Paper Size Sensor Paper Sensor Paper Sensor Paper Sensor Oil Sensor OHP Sensor 3 Belt Sensor Paper Sensor Belt Sensor Toner Sensor ASSY Waste Toner Sensor Developer Position Sensor Paper Sensor Temperature Sensor for Fusing Unit Paper Sensor Toner Key Sensor 2 Interlock Switch Interlock Switch (FRONT) Interlock Switch (TOP) Interlock Switch (REAR) No. PSU PT1 PT2 P.EN OIL OHP DPJ D.EN PBS TPD/TTR WTS DHP1, DHP2 F.CL TH EXF TNK Function Photo sensor to detect the paper size. Photo sensor to detect when paper is fed from the media cassette. Photo sensor to detect that paper is exited from the paper exit unit. Photo sensor to detect if paper is loaded in the media cassette. Photo sensor to detect if the fusing unit oil is empty. Photo sensor to detect if media in the media cassette is an OHP. Photo sensor to detect if paper is wound around the transfer drum. Photo sensor to detect rotation of the transfer drum. Photo sensor to detect the home position of the OPC belt. Photo sensor to detect if the toner is empty for each toner cartridge. Photo sensor to detect if the waste toner bottle is full of toner. Photo sensor to detect the position of the toner cartridge. Photo sensor to detect if the fuser cleaner is fitted in the fixing unit. Thermistor to detect the fuser temperature. This is the sensor to detect thet the paper exit tray is full of exited papers. To detect the availability of key to be provided to the toner cartridge. This the safety interlock switch when opening the cover. DSW1 DSW2 DSW3 IV-32