Lexmark 5021-0XX - Manual (Page 309)

Locations and connectors 5-5
5021-0XX
Waste toner
sensor
WTS
(LED/TR)
Detects when waste toner bottle is full.
Temperature
sensor for fuser
unit
TH
Thermistor that detects fuser
temperature.
Output tray full
sensor
PFUL
Detects when paper exit tray is full.
Toner key sensor
TNK
Detects presence of toner cartridge.
Toner density
sensor
TDS
Detects toner density of images formed
on the transfer belt surface.
Room temperature
thermistor sensor
RTS
Detects ambient room temperature.
Transfer unit
sensor
TBS
Detects irregular rotation of transfer belt.l
Name Code Function