Canon iR4570 Series Service Manual page 675

3) Remove the 4 screws [1].
4) Slide out the fixing unit [1] toward the front.
C. Cleaning the Film Bias Static Eliminator
1) Remove the 2 screws [1], and detach the grounding plate [2].
F-12-56
F-12-57
F-12-58
Chapter 12
12-31