![](/images/new-backgrounds/1185436/185436123x1.webp)
(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.
A
Transfer bias
B
High voltage board
Bias
board
RTHVDR
THVDR
HVISEL
PSEL1
PSEL2
Engine board
Figure 4-1-9 Transfer
The nominal transfer bias is set to approximately