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Process/Operation > Image Formation System > Controls > Toner Supply Assembly
Process/Operation > Image Formation System > Controls > Toner Supply Assembly
■ Toner Supply Assembly
● Overview
Toner is supplied from the Toner Container to the Developing Assembly.
With this machine, toner is fed from the Toner Container located at the lower side to the Drum
Unit located at the upper side.
In addition, this machine has a mechanism to stir toner at the lower side of the Hopper Unit to
prevent toner fixation.
Toner Container
Drum Unit
Upper Feed Unit
Toner Supply Screw
Toner Supply Spring
Hopper Unit
Parts name
Function
Cap Drive Link Holder
The Toner Cap is opened/closed, and the Toner Container is rotated.
Cap Release Holder
The Toner Cap is released.
Toner Supply Spring
Toner is supplied from the Hopper Unit to the Upward Feed Unit.
Toner Feed Screw
Toner is supplied from the Hopper Unit to the Developing Assembly.
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● Toner Cap Opening
A cap of the Toner Container is opened/closed in conjunction with opening and closing the
Toner Container Cover.
● Toner Container Detection
Presence/absence of the Toner Container is detected.
There are the Toner Container Switches (SW8 to 11) as shown in the figure below and they
are pressed when the Toner Container is set so that presence of the Toner Container is
detected.
Detection Lever
Toner container Switch
(SW8-SW11)
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