5-12 Waste toner full detection
The waste toner full sensor (PC13) detects when the waste toner container is full of waste toner. Printing is prohibited
when the waste toner full is detected.
Waste toner full sensor
• When there is little waste toner
The LED light from the sensor passes
through the waste toner container to the
photo sensor.
Waste toner full sensor
• When waste toner full is detected
When waste toner fills the waste toner
container up to the waste toner full sen-
sor section, it blocks the LED light
from the sensor, and the toner full
detection is made.
C-25
Waste toner container/
laser lens cover switch
Waste toner container