Minolta magicolor 2300 Series Service Manual page 53

(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
No Cartridge installed
Cartridge installed
Reflector
4131M039AA
53
Intensity of
Light Reflected
NO
YES
Reflector
VCC
CPU
GND
PC8
4131M040AA