Development
Development
The development system employs the dual-component
*1
development method.
The developer is pre-mixed
*2
to prevent image quality degradation caused by deterioration of the
developer that occurs over time.
Electrostatic latent image areas of the photoconductor unit attract negatively charged toner particles
from the development roller [1].
To maintain consistent amount of toner attraction from the development roller [1] to the photoconductor
unit [2] for stable image quality(toner density), image quality adjustment process runs automatically
when turning on the machine power and at optimum timings.
*1
The developer consists of positively charged carrier (+) and negatively charged toner (-).
*2
The carrier is pre-mixed with the toner in the toner bottle and the mixture is supplied to the development unit to
constantly refresh old developer in the development unit with new developer.
1. Development roller
2. Photoconductor unit
During the image quality adjustment process, toner patterns in 10 gradients are created on the paper
transfer belt for each toner color, which are read by the toner mark sensors. Xerographic conditions are
adjusted according to the sensor readings, maintaining consistent development (maximum image
density).
2. Printing Process
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