HP 5100 Service Manual - Page 76
High-voltage power distribution, High-voltage power supply circuit
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High-voltage power distribution Figure 11. High-voltage power supply circuit In response to the instructions from the microprocessor (CPU) on the dc controller, this circuit applies the superimposed voltage of dc voltage and ac voltage to the primary charging roller and developing cylinder, and a positive or negative dc voltage to the transfer charging roller. According to the image-density information sent from the formatter PCA, this circuit varies the primary dc bias and developing dc bias to adjust the image density. 74 Functional information Q1860-90918
74
Functional information
Q1860-90918
High-voltage power distribution
Figure 11.
High-voltage power supply circuit
In response to the instructions from the microprocessor (CPU) on the dc controller, this circuit
applies the superimposed voltage of dc voltage and ac voltage to the primary charging roller and
developing cylinder, and a positive or negative dc voltage to the transfer charging roller.
According to the image-density information sent from the formatter PCA, this circuit varies the
primary dc bias and developing dc bias to adjust the image density.