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Toner Density Adjustment Mode
The machine makes sensor patterns and checks
the current development gamma.
Development gamma too low: If the following
condition occurs, the machine increases the
toner density. To do this, it supplies toner to the
development unit.
Current gamma < Target gamma - 0.15 (SP3-
239-012)
Development gamma too high: If the following
condition occurs, the machine decreases the
toner density. To do this, it consumes some of
the toner in the development unit.
Current gamma ≥ Target gamma + 0.15 (SP3-
239-009)
Slide 174
These two methods of toner density adjustment are called 'toner supply mode'
(confusing!), and toner consumption mode.
What is Done?
174
Di-C1.5 Training
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