KYOCERA FS-1010 User Manual download pdf (Page 62)

4-11

FS-1010

(4) Transfer

The image developed by toner on the drum A is transferred onto the paper because of the electrical

attraction between the toner itself and the transfer roller B. The transfer roller is negatively biased

so that the positively charged toner is attracted onto the paper while it is pinched by the drum and

the transfer roller.

Figure 4-1-9 Transfer

The nominal transfer bias is set to approximately -1.8 kV (limit) with the -6 µA current. Since the

ideal potential of the transfer bias depends on the thickness of paper, the bias is raised to approximately

-2.5 kV/-6 µA for thicker paper. On the other hand, the bias current is reduced to -1.8 kV/-6 µA for

thin paper.

High voltage board

HVISEL

THVDR

PSEL1

Transfer bias

Bias

board

YC1-A7

YC1-A5

RTHVDR

YC1-A5

YC1-A8

PSEL2

YC1-A8

YC-T

Engine board

YC11-9

YC11-12

YC12-2

YC11-14

YC11-7

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KYOCERA FS-1010 User Manual Page 62