Savin SDC103A Manuel de service télécharger pdf (Page 85)

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(2) Vsp for Toner Supply Control, Vsp(toner)

The laser diode writes a sensor pattern for each color using standard laser

diode power. After the pattern is developed, the machine then measures the

ID sensor output from this pattern and uses the result as Vsp(toner) for that

color to control the toner supply. This process is done for each color cycle,

after every copy.

(3) Calculation of M/A

First, the machine calculates a value from the current value of V

(toner).

Then, the machine refers to a "look-up" table in ROM to determine the toner

density on the drum (M/A).

M/A: Toner amount per unit area on the drum (mg/cm

)

PROCESS CONTROL

A166/A187/A189 2-16 SM

CÓPIA NÃO CONTROLADA

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 622 623

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Savin SDC103A Manuel de service Page 85

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