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Technical Explanation > Image Formation System > Controls > Toner Supply Area
Technical Explanation > Image Formation System > Controls > Toner Supply Area
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Toner Supply Control
Purpose: To supply toner in the Toner Container to the Developing Unit
This machine uses a Toner Container that has an accordion mechanism at the leading edge.
The drive of the Bottle Motor rotates the Toner Bottle and operates the accordion section. At
that time, air pressure is used to supply toner to the Developing Unit.
Expansion
Contraction
Small toner supply mouth
M10
M04
M05
PS26,27,28,29
UN04
UN05
Main Controller PCB
UN21,22,23,24
Video Count Value
Developing Assembly
supply count
ATR Sensor result
Shrunk
Press
DC Controller PCB
Bottle Motor (YM)
Bottle Motor (CK)
Toner Supply Sensor
Flag [1]
Developing Motor
Toner Feed Screw [2]
Toner Density Sensor
Title
Toner Container
Description
Toner is supplied from the Toner Container to the Developing Unit.
Supply timing
When toner supply is determined necessary by the result of ATR
control, toner is supplied.
Operation of the host machine The Bottle Motor (YM/CK) (M04/M05) are driven*.
* The supply amount is determined based on the output values of the Toner Density Sensor
and video count.
This machine has only 2 Toner Bottle Motors, and toner is supplied by driving Toner Bottles of
two colors alternately by one motor.
The following shows the image of the Drive Unit viewed from the back side.
Y
M
M04
M05
REAR VIEW
The operation is going to be explained taking Y and M as an example.
1. The motor rotates.
2. The driving force is transmitted to the gears, and the Toner Bottle rotates.
Y
M
M04
M05
REAR VIEW
F-2-68
F-2-69