Canon iR6570 series Service Manual page 258

Chapter 7
Height of charging wire
10.06 0.3 mm
<Tolerance>
No height adjusting
mechanism
[3] Transfer Charging assembly
Height of charging wire
<Tolerance>
-/+2 mm
[4] Separation Charging assembly
Height of charging wire
16.0
<Tolerance>
-/+2 mm
MEMO:
The height (position) of the pri-mary charging wire and the transfer
charging wire may be adjusted by turning the screw found at the back of
the charg-ing assembly; a single turn changes the position of the
charging wire by about 0.7 mm.
7-60
F-7-224
9.5 0.5mm
F-7-225
F-7-226