Brother HL-2400C Service Manual page 82

(4) Sensors
No. Name
1 Paper Size Sensor
2 Paper Feeding Sensor
3 Paper Exit Sensor
4 Paper Empty Sensor
5 Oil Sensor
6 OHP Sensor
7 Drum Jam Sensor
8 Drum Encoder Sensor
9 Belt Sensor
10 Toner Empty Sensor
11 Waste Toner Sensor
Developing Photo
12
Sensor
13 Cleaning Roller Sensor
Temperature Sensor
14
for Fusing Unit
Code
PSU Photo sensor to detect the paper size.
Photo sensor to detect when paper is
PT1
fed from the media cassette.
Photo sensor to detect that paper is
PT2
exited from the paper exit unit.
Photo sensor to detect if paper is
PE
loaded in the media cassette.
Photo sensor to detect if the fusing
OIL
unit oil is empty.
Photo sensor to detect if media in the
OHP
media cassette is an OHP.
Photo sensor to detect if paper is
DPJ
wound around the transfer drum.
Photo sensor to detect rotation of the
EN
transfer drum.
Photo sensor to detect the home
PBS
position of the OPC belt.
Photo sensor to detect if the toner is
TPD/TTR
empty for each toner cartridge.
Photo sensor to detect if the waste
WTS
toner bottle is full of toner.
DHP1, Photo sensor to detect the position of
DHP2 the toner cartridge.
Photo sensor to detect if the fuser
CRS
cleaner is fitted in the fixing unit.
Thermistor to detect the fuser
TH
temperature.
IV-34
Function