MX-C250 EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 8
14 TCS_M Toner sensor (M) Magnetic sensor
Detects toner supply from the toner cartridge.
Detects the toner density (M).
15 TNFD Waste toner full detector Light transmission Detects when waste toner container has become full.
16 TCS_Y Toner sensor (Y) Magnetic sensor
Detects toner supply from the toner cartridge.
Detects the toner density (Y).
17 BD_KC
Laser beam sensor (KC) (on BD
PWB(BC))
Photo diode Detects the timing of the laser beams.
18 BD_MY
Laser beam sensor (MY) (on BD
PWB(MY))
Photo diode Detects the timing of the laser beams.
19 TH_LSU LSU thermistor(on LD PWB) Thermistor Detects the temperature in the LSU. (Used for correction of distortion.)
20 TH_P Ozone duct thermistor Thermistor Detects the temperature in the Ozone duct.
21 1TUD_K Transfer belt separation detector BK Light transmission
Detects position of the transfer belt.
Detects initialization of the transfer unit.
22 1TUD_CL Transfer belt separation detector CL Light transmission
Detects position of the transfer belt.
Detects initialization of the transfer unit.
23 TH_UM Fusing temperature sensor (Main) Non-contact thermistor Detects the surface temperature at the center section of the fusing roller.
24 TH_US Fusing temperature sensor (Sub) Thermistor Detects the surface temperature at the edge section of the fusing roller.
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