Theory of Operation
2-34
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CRU Sensor (C/M/Y/K)
The CRU Sensor detects the presence of the Print Cartridge.
CRU Sensor Actuator
(No Cartridge Position)
Print Cartridge Sensor (C, M, Y, K)
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Erase Lamp (LED)
The light of the LED passes through the lens of the Print Cartridge,
illuminates the drum, and eliminates the charge on the drum.
Erase Lamp
LED
CRU Sensor Actuator
(Cartridge in Position)
Print Cartridge Sensor (C, M, Y, K)
Print Cartridge
Erase Lens
Drum
Print Cartridge
Phaser 6180 Color Laser Printer Service Manual
CRU Sensor
s6180-278
s6180-279