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Toner Collecting Section Main Unit Theory of Operation
2-58
II Composition/Operation
10.3.3 Waste Toner Box locking mechanism
• When the Box Lock Lever is in the unlocked position (the 12 o'clock position), the protru-
sion provided at the Toner Collecting Port interferes with the machine frame, thus pre-
venting the Waste Toner Box from being removed.
• When the Box Lock Lever is in the locked position (the 9 o'clock position), the Waste
Toner Box can be removed.
10.3.4 Waste Toner Box locked position detection mechanism
• When the Box Lock Lever is in the locked position (the 9 o'clock position), the protrusion
provided in the Front Door interferes with the Box Lock Lever. As a result, the Front Door
cannot be closed.
• When the Box Lock Lever is in the unlocked position (the 12 o'clock position), the Front
Door can be closed.
10.3.5 Waste Toner Box-in-position detection mechanism
• The Waste Toner Box Set Detection Lever is provided to detect a Waste Toner Box
loaded in position.
• When the Waste Toner Box is not loaded, the Set Detection Lever lowers by its own
weight to plug the Set Detection Window.
• The protrusion provided in the Front Door interferes with the Set Detection Lever that
plugs the Set Detection Window. Then, the Front Door cannot be closed.
• When the Waste Toner Box is loaded in position, it pushes up the Set Detection Lever to
uncover the Set Detection Window.
4138to2078c0
Toner Collecting Port
Protrusion
Box Lock Lever
4138to2080c0
Lock
Unlock
4138to2079c0
Set Detection Lever
Set Detection
Window
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