1-30 Service Manual
4023-001
Development Section
Development
The development section feeds toner to the electrostatic latent
image on the surface of the PC drum to produce a visible toner
image.
A screw circulates the toner in the toner hopper. The toner mixes
with the carrier to produce the developer. The ATDC sensor detects
the ratio of toner to carrier, and voltage controls the toner density.
The developer is then supplied to the sleeve roller.
The sleeve roller negatively charges the toner. The toner adheres to
the electrostatic latent image due to the reduced negative voltage in
the image area. The toner does not adhere to the area where the
laser beam has not been applied. This occurs because the charge
brush maintains the negatively charged voltage in the non-image
area.
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