Canon iR4570 Series Service Manual page 676

Chapter 12
2) Clean the film bias static eliminator [1] found on the back of the grounding plate. (Be sure to remove the cake of
toner that may have collected on the static eliminator.)
3) Fix the grounding plate [2] in place using 2 screws [1].
D. Mounting the Fixing Assembly
1) Fit the fixing unit [1] to the machine frame.
12-32
F-12-59
[1]
F-12-60
F-12-61