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(7) Toner Cartridge Installation Detection
• Toner Cartridge installation detection is made with the Toner Cartridge Detection Sensor
(PC8) and the Reflector in the Toner Cartridge.
Detection
Method
Intensity of
Light Reflected
No Cartridge installed
NO
Cartridge installed
YES
CP
U
GND
VCC
Reflector
Reflector
PC8
4131M039AA
4131M040AA