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Major Components of Image Formation System
The major components of image formation system are described below.
Name
Function
[1]
Toner cartridge
Cartridge filled with the toner for supply
[2]
Drum unit
Unit consisting of the photosensitive drum, primary charging roller, etc.
[3]
Brush roller
Rotates in connection with the primary charging roller to clean its surface.
[4]
Primary charging roller
Rotates in connection with the photosensitive drum to cause it negatively charged.
[5]
Cleaning blade
Scrapes off the residual toner on the photosensitive drum.
[6]
Waste toner feed screw
Feeds the toner scraped off by the cleaning blade to the waste toner box.
[7]
Photosensitive drum
Forms images on the surface of the photosensitive drum.
[8]
Static eliminator
Applies negative charge to the back of paper to cause it separated from the photosensitive drum.
[9]
Transfer roller
Applies positive charge to the back of a paper to cause the toner to be transferred to it.
[10]
Developing cylinder
Transfers the toner in the developing unit to the photosensitive drum.
[11]
Developing unit
Unit consisting of the developing cylinder, developing blade, etc.
[12]
Toner feed screw
(Inside developing unit)
Feeds the toner supplied from the sub hopper into the developing unit.
[13]
Toner feed screw
(Inside sub hopper)
Feeds the toner supplied from the toner cartridge to the developing unit.
[14]
Sub hopper
Stores the toner supplied from the toner cartridge.