Canon imageRUNNER 2270 Service Manual page 523

2) Clean the film bias static eliminator [1] found behind the grounding plate (to remove the
cake of toner, if any, that may have collected on the static eliminator).
3) Mount the grounding plate [2] with 2 screws.
[1]
F-12-39
F-12-40
Chapter 12
12-31