Canon imageRUNNER 2270 Service Manual page 242

Chapter 7
7.5.1.2 Primary Charging Roller Cleaning Mechanism
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The machine uses a brush [3] to clean the primary charging roller [2], which remains in
contact with the photosensitive drum [1]. The brush has a reciprocating mechanism and is
driven by a cam [4], operating while the photosensitive drum is being driven.
[4]
[1]
[2]
[3]
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