Canon imageRUNNER ADVANCE C3330 Series Service Manual page 96

● Opening/Closing of Toner Container Shutter
Purpose
The Toner Container Shutter is opened/closed to prevent toner from scattering.
Toner Head Assembly
● Bottle State Detection
Purpose
Check whether there is a problem with the inserted Toner Container.
Detection timing
• At power-on
• When the Front Cover is closed
• When recovering from sleep mode (not displayed after Use is pressed)
The Bottle New/Old Sensor (Y/M/C/Bk) (UN39/UN40/UN41/UN42) detects the state from the memory [1] of the Toner Container.
Claw
Lever
UN39,40,41,42
Toner Container
Shutter
84
2. Technology
[1]